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onion-wownero-explorer/src/page.h

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//
// Created by mwo on 8/04/16.
//
#ifndef CROWXMR_PAGE_H
#define CROWXMR_PAGE_H
#include "mstch/mstch.hpp"
#include "version.h"
#include "monero_headers.h"
#include "MicroCore.h"
#include "tools.h"
#include "rpccalls.h"
#include "mylmdb.h"
#include "../ext/crow/http_request.h"
#include <algorithm>
#include <limits>
#include <ctime>
#define TMPL_DIR "./templates"
#define TMPL_PARIALS_DIR TMPL_DIR "/partials"
#define TMPL_CSS_STYLES TMPL_DIR "/css/style.css"
#define TMPL_INDEX TMPL_DIR "/index.html"
#define TMPL_INDEX2 TMPL_DIR "/index2.html"
#define TMPL_MEMPOOL TMPL_DIR "/mempool.html"
#define TMPL_HEADER TMPL_DIR "/header.html"
#define TMPL_FOOTER TMPL_DIR "/footer.html"
#define TMPL_BLOCK TMPL_DIR "/block.html"
#define TMPL_TX TMPL_DIR "/tx.html"
#define TMPL_ADDRESS TMPL_DIR "/address.html"
#define TMPL_MY_OUTPUTS TMPL_DIR "/my_outputs.html"
#define TMPL_SEARCH_RESULTS TMPL_DIR "/search_results.html"
#define TMPL_MY_RAWTX TMPL_DIR "/rawtx.html"
#define TMPL_MY_CHECKRAWTX TMPL_DIR "/checkrawtx.html"
#define TMPL_MY_PUSHRAWTX TMPL_DIR "/pushrawtx.html"
#define TMPL_MY_RAWKEYIMGS TMPL_DIR "/rawkeyimgs.html"
#define TMPL_MY_CHECKRAWKEYIMGS TMPL_DIR "/checkrawkeyimgs.html"
#define TMPL_MY_RAWOUTPUTKEYS TMPL_DIR "/rawoutputkeys.html"
#define TMPL_MY_CHECKRAWOUTPUTKEYS TMPL_DIR "/checkrawoutputkeys.html"
namespace xmreg
{
using namespace cryptonote;
using namespace crypto;
using namespace std;
// define a checker to test if a structure has "tx_blob"
// member variable. I use modified daemon with few extra
// bits and pieces here and there. One of them is
// tx_blob in cryptonote::tx_info structure
// thus I check if I run my version, or just
// generic one
DEFINE_MEMBER_CHECKER(tx_blob)
// define getter to get tx_blob, i.e., get_tx_blob function
// as string if exists. the getter return empty string if
// tx_blob does not exist
DEFINE_MEMBER_GETTER(tx_blob, string)
/**
* Check if a given header filed contains value string
*
* @param req
* @param field
* @param value
* @return string
*/
string
does_header_has(const crow::request& req,
const string& field = "Accept",
const string& value = "q=.2, */*; q=.2")
{
string accept = req.get_header_value(field);
if (!accept.empty())
{
if (accept.find(value) != std::string::npos)
{
return accept;
}
}
return string {};
}
/**
* @brief The tx_details struct
*
* Basic information about tx
*
*/
struct tx_details
{
crypto::hash hash;
crypto::hash prefix_hash;
crypto::public_key pk;
uint64_t xmr_inputs;
uint64_t xmr_outputs;
uint64_t fee;
uint64_t mixin_no;
uint64_t size;
uint64_t blk_height;
size_t version;
uint64_t unlock_time;
uint64_t no_confirmations;
vector<uint8_t> extra;
crypto::hash payment_id = null_hash; // normal
crypto::hash8 payment_id8 = null_hash8; // encrypted
string json_representation;
std::vector<std::vector<crypto::signature> > signatures;
// key images of inputs
vector<txin_to_key> input_key_imgs;
// public keys and xmr amount of outputs
vector<pair<txout_to_key, uint64_t>> output_pub_keys;
mstch::map
get_mstch_map()
{
// remove "<" and ">" from the hash string
string tx_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", hash));
string tx_prefix_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", prefix_hash));
string tx_pk_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", pk));
//cout << "payment_id: " << payment_id << endl;
string pid_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", payment_id));
string pid8_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", payment_id8));
string mixin_str {"N/A"};
string fee_str {"N/A"};
string fee_short_str {"N/A"};
if (!input_key_imgs.empty())
{
mixin_str = std::to_string(mixin_no - 1);
fee_str = fmt::format("{:0.6f}", XMR_AMOUNT(fee));
fee_short_str = fmt::format("{:0.3f}", XMR_AMOUNT(fee));
}
//cout << "extra: " << extra_str << endl;
mstch::map txd_map {
{"hash" , tx_hash_str},
{"prefix_hash" , tx_prefix_hash_str},
{"pub_key" , tx_pk_str},
{"tx_fee" , fee_str},
{"tx_fee_short" , fee_short_str},
{"sum_inputs" , fmt::format("{:0.6f}", XMR_AMOUNT(xmr_inputs))},
{"sum_outputs" , fmt::format("{:0.6f}", XMR_AMOUNT(xmr_outputs))},
{"sum_inputs_short" , fmt::format("{:0.3f}", XMR_AMOUNT(xmr_inputs))},
{"sum_outputs_short" , fmt::format("{:0.3f}", XMR_AMOUNT(xmr_outputs))},
{"no_inputs" , input_key_imgs.size()},
{"no_outputs" , output_pub_keys.size()},
{"mixin" , mixin_str},
{"blk_height" , blk_height},
{"version" , std::to_string(version)},
{"has_payment_id" , payment_id != null_hash},
{"has_payment_id8" , payment_id8 != null_hash8},
{"payment_id" , pid_str},
{"confirmations" , no_confirmations},
{"extra" , get_extra_str()},
{"payment_id8" , pid8_str},
{"unlock_time" , std::to_string(unlock_time)},
{"tx_size" , fmt::format("{:0.4f}",
static_cast<double>(size)/1024.0)},
{"tx_size_short" , fmt::format("{:0.2f}",
static_cast<double>(size)/1024.0)}
};
return txd_map;
}
string
get_extra_str()
{
string extra_str = epee::string_tools::buff_to_hex_nodelimer(
string{reinterpret_cast<const char*>(extra.data()), extra.size()});
return extra_str;
}
mstch::array
get_ring_sig_for_input(uint64_t in_i)
{
mstch::array ring_sigs {};
if (in_i >= signatures.size())
{
return ring_sigs;
}
for (const crypto::signature &sig: signatures.at(in_i))
{
ring_sigs.push_back(mstch::map{
{"ring_sig", print_signature(sig)}
});
}
return ring_sigs;
}
string
print_signature(const signature& sig)
{
stringstream ss;
ss << epee::string_tools::pod_to_hex(sig.c)
<< epee::string_tools::pod_to_hex(sig.r);
return ss.str();
}
};
class page {
// check if we have tx_blob member in tx_info structure
static const bool HAVE_TX_BLOB {
HAS_MEMBER(cryptonote::tx_info, tx_blob)
};
static const bool FULL_AGE_FORMAT {true};
MicroCore* mcore;
Blockchain* core_storage;
rpccalls rpc;
time_t server_timestamp;
string lmdb2_path;
string css_styles;
bool testnet;
bool enable_pusher;
public:
page(MicroCore* _mcore, Blockchain* _core_storage,
string _deamon_url, string _lmdb2_path,
bool _testnet, bool _enable_pusher)
: mcore {_mcore},
core_storage {_core_storage},
rpc {_deamon_url},
server_timestamp {std::time(nullptr)},
lmdb2_path {_lmdb2_path},
testnet {_testnet},
enable_pusher {_enable_pusher}
{
css_styles = xmreg::read(TMPL_CSS_STYLES);
}
/**
* @brief Show recent blocks and mempool
*
* Not used currently. index2 method is used instead
*
* @param page_no block page to show
* @param refresh_page enable autorefresh
* @return rendered index page
*/
string
index(uint64_t page_no = 0, bool refresh_page = false)
{
// connect to the deamon if not yet connected
bool is_connected = rpc.connect_to_monero_deamon();
if (!is_connected)
{
cerr << "Connection to the Monero demon does not exist or was lost!" << endl;
return "Connection to the Monero demon does not exist or was lost!";
}
//get current server timestamp
server_timestamp = std::time(nullptr);
// number of last blocks to show
uint64_t no_of_last_blocks {100 + 1};
uint64_t height = rpc.get_current_height() - 1;
// initalise page tempate map with basic info about blockchain
mstch::map context {
{"refresh" , refresh_page},
{"height" , std::to_string(height)},
{"server_timestamp", xmreg::timestamp_to_str(server_timestamp)},
{"blocks" , mstch::array()},
{"age_format" , string("[h:m:d]")},
{"page_no" , std::to_string(page_no)},
{"total_page_no" , std::to_string(height / (no_of_last_blocks))},
{"is_page_zero" , !bool(page_no)},
{"next_page" , std::to_string(page_no + 1)},
{"prev_page" , std::to_string((page_no > 0 ? page_no - 1 : 0))}
};
// get reference to blocks template map to be field below
mstch::array& blocks = boost::get<mstch::array>(context["blocks"]);
// calculate starting and ending block numbers to show
uint64_t start_height = height - no_of_last_blocks * (page_no + 1);
uint64_t end_height = height - no_of_last_blocks * (page_no);
// check few conditions to make sure we are whithin the avaliable range
//@TODO its too messed up. needs to find cleaner way.
start_height = start_height > 0 ? start_height : 0;
end_height = end_height < height ? end_height : height;
start_height = start_height > end_height ? 0 : start_height;
end_height = end_height - start_height > no_of_last_blocks
? no_of_last_blocks : end_height;
// previous blk timestamp, initalised to lowest possible value
double prev_blk_timestamp {std::numeric_limits<double>::lowest()};
// iterate over last no_of_last_blocks of blocks
for (uint64_t i = start_height; i <= end_height; ++i)
{
// get block at the given height i
block blk;
if (!mcore->get_block_by_height(i, blk))
{
cerr << "Cant get block: " << i << endl;
continue;
}
// get block's hash
crypto::hash blk_hash = core_storage->get_block_id_by_height(i);
// remove "<" and ">" from the hash string
string blk_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", blk_hash));
// get block timestamp in user friendly format
string timestamp_str = xmreg::timestamp_to_str(blk.timestamp);
pair<string, string> age = get_age(server_timestamp, blk.timestamp);
context["age_format"] = age.second;
// get time difference [m] between previous and current blocks
string time_delta_str {};
if (prev_blk_timestamp > std::numeric_limits<double>::lowest())
{
time_delta_str = fmt::format("{:0.2f}",
(double(blk.timestamp) - double(prev_blk_timestamp))/60.0);
}
// get xmr in the block reward
array<uint64_t, 2> coinbase_tx = sum_money_in_tx(blk.miner_tx);
// get transactions in the block
const vector<cryptonote::transaction>& txs_in_blk =
core_storage->get_db().get_tx_list(blk.tx_hashes);
// sum xmr in the inputs and ouputs of all transactions
array<uint64_t, 2> sum_xmr_in_out = sum_money_in_txs(txs_in_blk);
// get sum of all transactions in the block
uint64_t sum_fees = sum_fees_in_txs(txs_in_blk);
// get mixin number in each transaction
vector<uint64_t> mixin_numbers = xmreg::get_mixin_no_in_txs(txs_in_blk);
// find minimum and maxium mixin numbers
int mixin_min {-1};
int mixin_max {-1};
if (!mixin_numbers.empty())
{
mixin_min = static_cast<int>(
*std::min_element(mixin_numbers.begin(), mixin_numbers.end()));
mixin_max = static_cast<int>(
*max_element(mixin_numbers.begin(), mixin_numbers.end()));
}
// mixing format for the templates
auto mixin_format = [=]() -> mstch::node
{
if (mixin_min < 0)
{
return string("N/A");
}
return fmt::format("{:d}-{:d}", mixin_min - 1, mixin_max - 1);
};
// get block size in bytes
uint64_t blk_size = get_object_blobsize(blk);
// set output page template map
blocks.push_back(mstch::map {
{"height" , to_string(i)},
{"timestamp" , timestamp_str},
{"time_delta" , time_delta_str},
{"age" , age.first},
{"hash" , blk_hash_str},
{"block_reward", fmt::format("{:0.4f}/{:0.4f}",
XMR_AMOUNT(coinbase_tx[1] - sum_fees),
XMR_AMOUNT(sum_fees))},
{"fees" , fmt::format("{:0.3f}", XMR_AMOUNT(sum_fees))},
{"notx" , fmt::format("{:d}", blk.tx_hashes.size())},
{"xmr_inputs" , fmt::format("{:0.2f}",
XMR_AMOUNT(sum_xmr_in_out[0]))},
{"xmr_outputs" , fmt::format("{:0.2f}",
XMR_AMOUNT(sum_xmr_in_out[1]))},
{"mixin_range" , mstch::lambda {mixin_format}},
{"blksize" , fmt::format("{:0.2f}",
static_cast<double>(blk_size) / 1024.0)}
});
// save current's block timestamp as reference for the next one
prev_blk_timestamp = static_cast<double>(blk.timestamp);
} // for (uint64_t i = start_height; i <= end_height; ++i)
// reverse blocks and remove last (i.e., oldest)
// block. This is done so that time delats
// are easier to calcualte in the above for loop
std::reverse(blocks.begin(), blocks.end());
// if we look at the genesis time, we should not remove
// the last block, i.e. genesis one.
if (!(start_height < 2))
{
blocks.pop_back();
}
// get memory pool rendered template
string mempool_html = mempool();
// append mempool_html to the index context map
context["mempool_info"] = mempool_html;
// read index.html
string index_html = xmreg::read(TMPL_INDEX);
// add header and footer
string full_page = get_full_page(index_html);
context["css_styles"] = this->css_styles;
// render the page
return mstch::render(full_page, context);
}
/**
* @brief show recent transactions and mempool
* @param page_no block page to show
* @param refresh_page enable autorefresh
* @return rendered index page
*/
string
index2(uint64_t page_no = 0, bool refresh_page = false)
{
//get current server timestamp
server_timestamp = std::time(nullptr);
// number of last blocks to show
uint64_t no_of_last_blocks {25 + 1};
// get the current blockchain height. Just to check
uint64_t height =
xmreg::MyLMDB::get_blockchain_height(mcore->get_blkchain_path()) - 1;
// initalise page tempate map with basic info about blockchain
mstch::map context {
{"testnet" , testnet},
{"refresh" , refresh_page},
{"height" , std::to_string(height)},
{"server_timestamp", xmreg::timestamp_to_str(server_timestamp)},
{"age_format" , string("[h:m:d]")},
{"page_no" , std::to_string(page_no)},
{"total_page_no" , std::to_string(height / (no_of_last_blocks))},
{"is_page_zero" , !bool(page_no)},
{"next_page" , std::to_string(page_no + 1)},
{"prev_page" , std::to_string((page_no > 0 ? page_no - 1 : 0))},
{"txs" , mstch::array()} // will keep tx to show
};
// get reference to txs mstch map to be field below
mstch::array& txs = boost::get<mstch::array>(context["txs"]);
// calculate starting and ending block numbers to show
uint64_t start_height = height - no_of_last_blocks * (page_no + 1);
uint64_t end_height = height - no_of_last_blocks * (page_no);
// check few conditions to make sure we are whithin the avaliable range
//@TODO its too messed up. needs to find cleaner way.
start_height = start_height > 0 ? start_height : 0;
end_height = end_height < height ? end_height : height;
start_height = start_height > end_height ? 0 : start_height;
end_height = end_height - start_height > no_of_last_blocks
? no_of_last_blocks : end_height;
// previous blk timestamp, initalised to lowest possible value
double prev_blk_timestamp {std::numeric_limits<double>::lowest()};
// iterate over last no_of_last_blocks of blocks
for (uint64_t i = start_height; i <= end_height; ++i)
{
// get block at the given height i
block blk;
if (!mcore->get_block_by_height(i, blk))
{
cerr << "Cant get block: " << i << endl;
continue;
}
// get block's hash
crypto::hash blk_hash = core_storage->get_block_id_by_height(i);
// remove "<" and ">" from the hash string
string blk_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", blk_hash));
// get block age
pair<string, string> age = get_age(server_timestamp, blk.timestamp);
context["age_format"] = age.second;
// get time difference [m] between previous and current blocks
string time_delta_str {};
if (prev_blk_timestamp > std::numeric_limits<double>::lowest())
{
time_delta_str = fmt::format("({:06.2f})",
(double(blk.timestamp) - double(prev_blk_timestamp))/60.0);
}
// get all transactions in the block found
// initialize the first list with transaction for solving
// the block i.e. coinbase.
list<cryptonote::transaction> blk_txs {blk.miner_tx};
list<crypto::hash> missed_txs;
if (!core_storage->get_transactions(blk.tx_hashes, blk_txs, missed_txs))
{
cerr << "Cant get transactions in block: " << i << endl;
continue;
}
uint64_t tx_i {0};
for(list<cryptonote::transaction>::reverse_iterator rit = blk_txs.rbegin();
rit != blk_txs.rend(); ++rit)
{
const cryptonote::transaction& tx = *rit;
tx_details txd = get_tx_details(tx);
mstch::map txd_map = txd.get_mstch_map();
//add age to the txd mstch map
txd_map.insert({"height" , i});
txd_map.insert({"blk_hash" , blk_hash_str});
txd_map.insert({"time_delta", time_delta_str});
txd_map.insert({"age" , age.first});
txd_map.insert({"is_ringct" , (tx.version > 1)});
txd_map.insert({"rct_type" , tx.rct_signatures.type});
// do not show block info for other than
// last (i.e., first after reverse below)
// tx in the block
if (tx_i < blk_txs.size() - 1)
{
txd_map["height"] = string("");
txd_map["age"] = string("");
txd_map["time_delta"] = string("");
}
txs.push_back(txd_map);
++tx_i;
}
// save current's block timestamp as reference for the next one
prev_blk_timestamp = static_cast<double>(blk.timestamp);
} // for (uint64_t i = start_height; i <= end_height; ++i)
// reverse txs and remove last (i.e., oldest)
// tx. This is done so that time delats
// are easier to calcualte in the above for loop
std::reverse(txs.begin(), txs.end());
// if we look at the genesis time, we should not remove
// the last block, i.e. genesis one.
if (!(start_height < 2))
{
//txs.pop_back();
}
// get memory pool rendered template
string mempool_html = mempool();
// append mempool_html to the index context map
context["mempool_info"] = mempool_html;
// read index.html
string index2_html = xmreg::read(TMPL_INDEX2);
// add header and footer
string full_page = get_full_page(index2_html);
add_css_style(context);
// render the page
return mstch::render(full_page, context);
}
/**
* Render mempool data
*/
string
mempool()
{
std::vector<tx_info> mempool_txs;
if (!rpc.get_mempool(mempool_txs))
{
return "Getting mempool failed";
}
// initalise page tempate map with basic info about mempool
mstch::map context {
{"mempool_size", std::to_string(mempool_txs.size())},
{"mempooltxs" , mstch::array()}
};
// get reference to blocks template map to be field below
mstch::array& txs = boost::get<mstch::array>(context["mempooltxs"]);
// for each transaction in the memory pool
for (size_t i = 0; i < mempool_txs.size(); ++i)
{
// get transaction info of the tx in the mempool
tx_info _tx_info = mempool_txs.at(i);
// calculate difference between tx in mempool and server timestamps
array<size_t, 5> delta_time = timestamp_difference(
server_timestamp,
_tx_info.receive_time);
// use only hours, so if we have days, add
// it to hours
uint64_t delta_hours {delta_time[1]*24 + delta_time[2]};
string age_str = fmt::format("{:02d}:{:02d}:{:02d}",
delta_hours,
delta_time[3], delta_time[4]);
// if more than 99 hourse, change formating
// for the template
if (delta_hours > 99)
{
age_str = fmt::format("{:03d}:{:02d}:{:02d}",
delta_hours,
delta_time[3], delta_time[4]);
}
//cout << _tx_info.tx_json << endl;
// sum xmr in inputs and ouputs in the given tx
pair<uint64_t, uint64_t> sum_inputs = xmreg::sum_money_in_inputs(_tx_info.tx_json);
pair<uint64_t, uint64_t> sum_outputs = xmreg::sum_money_in_outputs(_tx_info.tx_json);
sum_money_in_outputs(_tx_info.tx_json);
// get mixin number in each transaction
vector<uint64_t> mixin_numbers = xmreg::get_mixin_no(_tx_info.tx_json);
uint64_t mixin_no = 0;
if (!mixin_numbers.empty())
mixin_no = mixin_numbers.at(0) - 1;
json j_tx;
string is_ringct_str {"N/A"};
string rct_type_str {"N/A"};
try
{
j_tx = json::parse(_tx_info.tx_json);
if (j_tx["version"].get<size_t>() > 1)
{
is_ringct_str = "yes";
rct_type_str = string("/") + to_string(j_tx["rct_signatures"]["type"].get<uint8_t>());
}
else
{
is_ringct_str = "no";
rct_type_str = "";
}
}
catch (std::invalid_argument& e)
{
cerr << " j_tx = json::parse(_tx_info.tx_json);: " << e.what() << endl;
}
// set output page template map
txs.push_back(mstch::map {
{"timestamp" , xmreg::timestamp_to_str(_tx_info.receive_time)},
{"age" , age_str},
{"hash" , fmt::format("{:s}", _tx_info.id_hash)},
{"fee" , xmreg::xmr_amount_to_str(_tx_info.fee , "{:0.3f}")},
{"xmr_inputs" , xmreg::xmr_amount_to_str(sum_inputs.first , "{:0.3f}")},
{"xmr_outputs" , xmreg::xmr_amount_to_str(sum_outputs.first, "{:0.3f}")},
{"no_inputs" , sum_inputs.second},
{"no_outputs" , sum_outputs.second},
{"is_ringct" , is_ringct_str},
{"rct_type" , rct_type_str},
{"mixin" , fmt::format("{:d}", mixin_no)},
{"txsize" , fmt::format("{:0.2f}", static_cast<double>(_tx_info.blob_size)/1024.0)}
});
}
// read index.html
string mempool_html = xmreg::read(TMPL_MEMPOOL);
// render the page
return mstch::render(mempool_html, context);
}
string
show_block(uint64_t _blk_height)
{
// get block at the given height i
block blk;
//cout << "_blk_height: " << _blk_height << endl;
uint64_t current_blockchain_height
= xmreg::MyLMDB::get_blockchain_height(mcore->get_blkchain_path()) - 1;
if (_blk_height > current_blockchain_height)
{
cerr << "Cant get block: " << _blk_height
<< " since its higher than current blockchain height"
<< " i.e., " << current_blockchain_height
<< endl;
return fmt::format("Cant get block {:d} since its higher than current blockchain height!",
_blk_height);
}
if (!mcore->get_block_by_height(_blk_height, blk))
{
cerr << "Cant get block: " << _blk_height << endl;
return fmt::format("Cant get block {:d}!", _blk_height);
}
// get block's hash
crypto::hash blk_hash = core_storage->get_block_id_by_height(_blk_height);
crypto::hash prev_hash = blk.prev_id;
crypto::hash next_hash = null_hash;
if (_blk_height + 1 <= current_blockchain_height)
{
next_hash = core_storage->get_block_id_by_height(_blk_height + 1);
}
bool have_next_hash = (next_hash == null_hash ? false : true);
bool have_prev_hash = (prev_hash == null_hash ? false : true);
// remove "<" and ">" from the hash string
string prev_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", prev_hash));
string next_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", next_hash));
// remove "<" and ">" from the hash string
string blk_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", blk_hash));
// get block timestamp in user friendly format
string blk_timestamp = xmreg::timestamp_to_str(blk.timestamp);
// get age of the block relative to the server time
pair<string, string> age = get_age(server_timestamp, blk.timestamp);
// get time from the last block
string delta_time {"N/A"};
if (have_prev_hash)
{
block prev_blk = core_storage->get_db().get_block(prev_hash);
pair<string, string> delta_diff = get_age(blk.timestamp, prev_blk.timestamp);
delta_time = delta_diff.first;
}
// get block size in bytes
uint64_t blk_size = core_storage->get_db().get_block_size(_blk_height);
// miner reward tx
transaction coinbase_tx = blk.miner_tx;
// transcation in the block
vector<crypto::hash> tx_hashes = blk.tx_hashes;
bool have_txs = !blk.tx_hashes.empty();
// sum of all transactions in the block
uint64_t sum_fees = 0;
// get tx details for the coinbase tx, i.e., miners reward
tx_details txd_coinbase = get_tx_details(blk.miner_tx, true);
// initalise page tempate map with basic info about blockchain
mstch::map context {
{"testnet" , testnet},
{"blk_hash" , blk_hash_str},
{"blk_height" , _blk_height},
{"blk_timestamp" , blk_timestamp},
{"blk_timestamp_epoch" , blk.timestamp},
{"prev_hash" , prev_hash_str},
{"next_hash" , next_hash_str},
{"have_next_hash" , have_next_hash},
{"have_prev_hash" , have_prev_hash},
{"have_txs" , have_txs},
{"no_txs" , std::to_string(
blk.tx_hashes.size())},
{"blk_age" , age.first},
{"delta_time" , delta_time},
{"blk_nonce" , blk.nonce},
{"age_format" , age.second},
{"major_ver" , std::to_string(blk.major_version)},
{"minor_ver" , std::to_string(blk.minor_version)},
{"blk_size" , fmt::format("{:0.4f}",
static_cast<double>(blk_size) / 1024.0)},
{"coinbase_txs" , mstch::array{{txd_coinbase.get_mstch_map()}}},
{"blk_txs" , mstch::array()}
};
// .push_back(txd_coinbase.get_mstch_map()
// boost::get<mstch::array>(context["blk_txs"]).push_back(txd_coinbase.get_mstch_map());
// now process nomral transactions
// get reference to blocks template map to be field below
mstch::array& txs = boost::get<mstch::array>(context["blk_txs"]);
// timescale representation for each tx in the block
vector<string> mixin_timescales_str;
// for each transaction in the block
for (size_t i = 0; i < blk.tx_hashes.size(); ++i)
{
// get transaction info of the tx in the mempool
const crypto::hash& tx_hash = blk.tx_hashes.at(i);
// remove "<" and ">" from the hash string
string tx_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", tx_hash));
// get transaction
transaction tx;
if (!mcore->get_tx(tx_hash, tx))
{
cerr << "Cant get tx: " << tx_hash << endl;
continue;
}
tx_details txd = get_tx_details(tx);
// add fee to the rest
sum_fees += txd.fee;
// get mixins in time scale for visual representation
//string mixin_times_scale = xmreg::timestamps_time_scale(mixin_timestamps,
// server_timestamp);
// add tx details mstch map to context
txs.push_back(txd.get_mstch_map());
}
// add total fees in the block to the context
context["sum_fees"]
= xmreg::xmr_amount_to_str(sum_fees, "{:0.6f}");
// get xmr in the block reward
context["blk_reward"]
= xmreg::xmr_amount_to_str(txd_coinbase.xmr_outputs - sum_fees, "{:0.6f}");
// read block.html
string block_html = xmreg::read(TMPL_BLOCK);
add_css_style(context);
// add header and footer
string full_page = get_full_page(block_html);
// render the page
return mstch::render(full_page, context);
}
string
show_block(string _blk_hash)
{
crypto::hash blk_hash;
if (!xmreg::parse_str_secret_key(_blk_hash, blk_hash))
{
cerr << "Cant parse blk hash: " << blk_hash << endl;
return fmt::format("Cant get block {:s} due to block hash parse error!", blk_hash);
}
uint64_t blk_height;
if (core_storage->have_block(blk_hash))
{
blk_height = core_storage->get_db().get_block_height(blk_hash);
}
else
{
cerr << "Cant get block: " << blk_hash << endl;
return fmt::format("Cant get block {:s} for some uknown reason", blk_hash);
}
return show_block(blk_height);
}
string
show_tx(string tx_hash_str, uint with_ring_signatures = 0)
{
// parse tx hash string to hash object
crypto::hash tx_hash;
if (!xmreg::parse_str_secret_key(tx_hash_str, tx_hash))
{
cerr << "Cant parse tx hash: " << tx_hash_str << endl;
return string("Cant get tx hash due to parse error: " + tx_hash_str);
}
// tx age
pair<string, string> age;
string blk_timestamp {"N/A"};
// get transaction
transaction tx;
if (!mcore->get_tx(tx_hash, tx))
{
cerr << "Cant get tx in blockchain: " << tx_hash
<< ". \n Check mempool now" << endl;
vector<pair<tx_info, transaction>> found_txs
= search_mempool(tx_hash);
if (!found_txs.empty())
{
// there should be only one tx found
tx = found_txs.at(0).second;
// since its tx in mempool, it has no blk yet
// so use its recive_time as timestamp to show
uint64_t tx_recieve_timestamp
= found_txs.at(0).first.receive_time;
blk_timestamp = xmreg::timestamp_to_str(tx_recieve_timestamp);
age = get_age(server_timestamp, tx_recieve_timestamp,
FULL_AGE_FORMAT);
}
else
{
// tx is nowhere to be found :-(
return string("Cant get tx: " + tx_hash_str);
}
}
mstch::map tx_context = construct_tx_context(tx, with_ring_signatures);
if (boost::get<bool>(tx_context["has_error"]))
{
return boost::get<string>(tx_context["error_msg"]);
}
mstch::map context {
{"txs" , mstch::array{}},
{"testnet" , this->testnet}
};
boost::get<mstch::array>(context["txs"]).push_back(tx_context);
map<string, string> partials {
{"tx_details", xmreg::read(string(TMPL_PARIALS_DIR) + "/tx_details.html")},
};
// read tx.html
string tx_html = xmreg::read(TMPL_TX);
add_css_style(context);
// add header and footer
string full_page = get_full_page(tx_html);
// render the page
return mstch::render(full_page, context, partials);
}
string
show_my_outputs(string tx_hash_str,
string xmr_address_str,
string viewkey_str, /* or tx_prv_key_str when tx_prove == true */
bool tx_prove = false)
{
// remove white characters
boost::trim(tx_hash_str);
boost::trim(xmr_address_str);
boost::trim(viewkey_str);
if (tx_hash_str.empty())
{
return string("tx hash not provided!");
}
if (xmr_address_str.empty())
{
return string("Monero address not provided!");
}
if (viewkey_str.empty())
{
if (!tx_prove)
return string("Viewkey not provided!");
else
return string("Tx private key not provided!");
}
// parse tx hash string to hash object
crypto::hash tx_hash;
if (!xmreg::parse_str_secret_key(tx_hash_str, tx_hash))
{
cerr << "Cant parse tx hash: " << tx_hash_str << endl;
return string("Cant get tx hash due to parse error: " + tx_hash_str);
}
// parse string representing given monero address
cryptonote::account_public_address address;
if (!xmreg::parse_str_address(xmr_address_str, address, testnet))
{
cerr << "Cant parse string address: " << xmr_address_str << endl;
return string("Cant parse xmr address: " + xmr_address_str);
}
// parse string representing given private key
crypto::secret_key prv_view_key;
if (!xmreg::parse_str_secret_key(viewkey_str, prv_view_key))
{
cerr << "Cant parse the private key: " << viewkey_str << endl;
return string("Cant parse private key: " + viewkey_str);
}
// tx age
pair<string, string> age;
string blk_timestamp {"N/A"};
// get transaction
transaction tx;
if (!mcore->get_tx(tx_hash, tx))
{
cerr << "Cant get tx in blockchain: " << tx_hash
<< ". \n Check mempool now" << endl;
vector<pair<tx_info, transaction>> found_txs
= search_mempool(tx_hash);
if (!found_txs.empty())
{
// there should be only one tx found
tx = found_txs.at(0).second;
// since its tx in mempool, it has no blk yet
// so use its recive_time as timestamp to show
uint64_t tx_recieve_timestamp
= found_txs.at(0).first.receive_time;
blk_timestamp = xmreg::timestamp_to_str(tx_recieve_timestamp);
age = get_age(server_timestamp,
tx_recieve_timestamp,
FULL_AGE_FORMAT);
}
else
{
// tx is nowhere to be found :-(
return string("Cant get tx: " + tx_hash_str);
}
}
tx_details txd = get_tx_details(tx);
uint64_t tx_blk_height {0};
bool tx_blk_found {false};
try
{
tx_blk_height = core_storage->get_db().get_tx_block_height(tx_hash);
tx_blk_found = true;
}
catch (exception& e)
{
cerr << "Cant get block height: " << tx_hash
<< e.what() << endl;
}
// get block cointaining this tx
block blk;
if (tx_blk_found && !mcore->get_block_by_height(tx_blk_height, blk))
{
cerr << "Cant get block: " << tx_blk_height << endl;
}
string tx_blk_height_str {"N/A"};
if (tx_blk_found)
{
// calculate difference between tx and server timestamps
age = get_age(server_timestamp, blk.timestamp, FULL_AGE_FORMAT);
blk_timestamp = xmreg::timestamp_to_str(blk.timestamp);
tx_blk_height_str = std::to_string(tx_blk_height);
}
// payments id. both normal and encrypted (payment_id8)
string pid_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", txd.payment_id));
string pid8_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", txd.payment_id8));
// initalise page tempate map with basic info about blockchain
mstch::map context {
{"testnet" , testnet},
{"tx_hash" , tx_hash_str},
{"tx_prefix_hash" , pod_to_hex(txd.prefix_hash)},
{"xmr_address" , xmr_address_str},
{"viewkey" , viewkey_str},
{"tx_pub_key" , REMOVE_HASH_BRAKETS(fmt::format("{:s}", txd.pk))},
{"blk_height" , tx_blk_height_str},
{"tx_size" , fmt::format("{:0.4f}",
static_cast<double>(txd.size) / 1024.0)},
{"tx_fee" , xmreg::xmr_amount_to_str(txd.fee)},
{"blk_timestamp" , blk_timestamp},
{"delta_time" , age.first},
{"outputs_no" , txd.output_pub_keys.size()},
{"has_payment_id" , txd.payment_id != null_hash},
{"has_payment_id8" , txd.payment_id8 != null_hash8},
{"payment_id" , pid_str},
{"payment_id8" , pid8_str},
{"tx_prove" , tx_prove}
};
string server_time_str = xmreg::timestamp_to_str(server_timestamp, "%F");
// public transaction key is combined with our viewkey
// to create, so called, derived key.
key_derivation derivation;
public_key pub_key = tx_prove ? address.m_view_public_key : txd.pk;
//cout << "txd.pk: " << pod_to_hex(txd.pk) << endl;
if (!generate_key_derivation(pub_key, prv_view_key, derivation))
{
cerr << "Cant get derived key for: " << "\n"
<< "pub_tx_key: " << pub_key << " and "
<< "prv_view_key" << prv_view_key << endl;
return string("Cant get key_derivation");
}
mstch::array outputs;
uint64_t sum_xmr {0};
std::vector<uint64_t> money_transfered(tx.vout.size(), 0);
//std::deque<rct::key> mask(tx.vout.size());
uint64_t output_idx {0};
for (pair<txout_to_key, uint64_t>& outp: txd.output_pub_keys)
{
// get the tx output public key
// that normally would be generated for us,
// if someone had sent us some xmr.
public_key tx_pubkey;
derive_public_key(derivation,
output_idx,
address.m_spend_public_key,
tx_pubkey);
//cout << pod_to_hex(outp.first.key) << endl;
//cout << pod_to_hex(tx_pubkey) << endl;
// check if generated public key matches the current output's key
bool mine_output = (outp.first.key == tx_pubkey);
// if mine output has RingCT, i.e., tx version is 2
if (mine_output && tx.version == 2)
{
// initialize with regular amount
uint64_t rct_amount = money_transfered[output_idx];
bool r;
r = decode_ringct(tx.rct_signatures,
pub_key,
prv_view_key,
output_idx,
tx.rct_signatures.ecdhInfo[output_idx].mask,
rct_amount);
if (!r)
{
cerr << "Cant decode ringCT!" << endl;
}
// cointbase txs have amounts in plain sight.
// so use amount from ringct, only for non-coinbase txs
if (!is_coinbase(tx))
{
outp.second = rct_amount;
money_transfered[output_idx] = rct_amount;
}
}
if (mine_output)
{
sum_xmr += outp.second;
}
outputs.push_back(mstch::map {
{"out_pub_key" , REMOVE_HASH_BRAKETS(
fmt::format("{:s}",
outp.first.key))},
{"amount" , xmreg::xmr_amount_to_str(outp.second)},
{"mine_output" , mine_output},
{"output_idx" , fmt::format("{:02d}", output_idx)}
});
++output_idx;
}
// we can also test ouputs used in mixins for key images
// this can show possible spending. Only possible, because
// without a spend key, we cant know for sure. It might be
// that our output was used by someelse for their mixin.
// for this we can look in our custom db, for efficiencly
unique_ptr<xmreg::MyLMDB> mylmdb;
if (bf::is_directory(lmdb2_path))
{
mylmdb = make_unique<xmreg::MyLMDB>(lmdb2_path);
}
mstch::array inputs;
vector<txin_to_key> input_key_imgs = xmreg::get_key_images(tx);
for (const txin_to_key& in_key: input_key_imgs)
{
if (!mylmdb)
{
break;
}
// get absolute offsets of mixins
std::vector<uint64_t> absolute_offsets
= cryptonote::relative_output_offsets_to_absolute(
in_key.key_offsets);
// get public keys of outputs used in the mixins that match to the offests
std::vector<cryptonote::output_data_t> mixin_outputs;
try
{
core_storage->get_db().get_output_key(in_key.amount,
absolute_offsets,
mixin_outputs);
}
catch (const OUTPUT_DNE& e)
{
cerr << "get_output_keys: " << e.what() << endl;
continue;
}
inputs.push_back(mstch::map{
{"key_image" , pod_to_hex(in_key.k_image)},
{"key_image_amount", xmreg::xmr_amount_to_str(in_key.amount)},
{"mixins" , mstch::array{}}
});
mstch::array& mixins = boost::get<mstch::array>(
boost::get<mstch::map>(inputs.back())["mixins"]
);
// to store our mixins found for the given key image
vector<map<string, string>> our_mixins_found;
// for each found output public key find check if its ours or not
for (const cryptonote::output_data_t& output_data: mixin_outputs)
{
string out_pub_key_str = pod_to_hex(output_data.pubkey);
//cout << "out_pub_key_str: " << out_pub_key_str << endl;
// this will be txs where the outputs come from
vector<string> found_tx_hashes;
mylmdb->search(out_pub_key_str,
found_tx_hashes,
"output_public_keys");
mixins.push_back(mstch::map{
{"mixin_pub_key", out_pub_key_str},
{"mixin_outputs", mstch::array{}}
});
mstch::array& mixin_outputs = boost::get<mstch::array>(
boost::get<mstch::map>(mixins.back())["mixin_outputs"]
);
// for each output transaction, check if its ours
// as before
for (string tx_hash_str: found_tx_hashes)
{
crypto::hash tx_hash;
hex_to_pod(tx_hash_str, tx_hash);
transaction mixin_tx;
if (!mcore->get_tx(tx_hash, mixin_tx))
{
cerr << "Cant get tx in blockchain: " << tx_hash << endl;
continue;
}
public_key tx_pub_key
= xmreg::get_tx_pub_key_from_received_outs(mixin_tx);
// public transaction key is combined with our viewkey
// to create, so called, derived key.
key_derivation derivation;
if (!generate_key_derivation(tx_pub_key, prv_view_key, derivation))
{
cerr << "Cant get derived key for: " << "\n"
<< "pub_tx_key: " << tx_pub_key << " and "
<< "prv_view_key" << prv_view_key << endl;
continue;
}
// <public_key , amount , out idx>
vector<tuple<txout_to_key, uint64_t, uint64_t>> output_pub_keys;
output_pub_keys = xmreg::get_ouputs_tuple(mixin_tx);
mixin_outputs.push_back(mstch::map{
{"mix_tx_hash" , tx_hash_str},
{"found_outputs", mstch::array{}}
});
mstch::array& found_outputs = boost::get<mstch::array>(
boost::get<mstch::map>(mixin_outputs.back())["found_outputs"]
);
// for each output in mixin tx, find the one from key_image
// and check if its ours.
for (const auto& mix_out: output_pub_keys)
{
txout_to_key txout_k = std::get<0>(mix_out);
uint64_t amount = std::get<1>(mix_out);
uint64_t output_idx_in_tx = std::get<2>(mix_out);
// if (mix_out.first.key != output_data.pubkey)
// {
// continue;
// }
// get the tx output public key
// that normally would be generated for us,
// if someone had sent us some xmr.
public_key tx_pubkey_generated;
derive_public_key(derivation,
output_idx_in_tx,
address.m_spend_public_key,
tx_pubkey_generated);
// check if generated public key matches the current output's key
bool mine_output = (txout_k.key == tx_pubkey_generated);
if (mine_output && mixin_tx.version == 2)
{
// initialize with regular amount
uint64_t rct_amount = amount;
bool r;
r = decode_ringct(mixin_tx.rct_signatures,
txout_k.key,
prv_view_key,
output_idx_in_tx,
mixin_tx.rct_signatures.ecdhInfo[output_idx].mask,
rct_amount);
if (!r)
{
cerr << "Cant decode ringCT!" << endl;
}
// cointbase txs have amounts in plain sight.
// so use amount from ringct, only for non-coinbase txs
if (!is_coinbase(mixin_tx))
{
amount = rct_amount;
}
}
// save our mixnin's public keys
found_outputs.push_back(mstch::map {
{"my_public_key" , pod_to_hex(txout_k.key)},
{"tx_hash" , tx_hash_str},
{"mine_output" , mine_output},
{"out_idx" , to_string(output_idx_in_tx)},
{"formed_output_pk", out_pub_key_str},
{"amount" , xmreg::xmr_amount_to_str(amount)},
});
if (mine_output)
{
// cout << " - " << pod_to_hex(txout_k.key)
// <<": " << mine_output << " amount: "
// << xmreg::xmr_amount_to_str(amount)
// << endl;
}
} // for (const pair<txout_to_key, uint64_t>& mix_out: txd.output_pub_keys)
} // for (string tx_hash_str: found_tx_hashes)
} // for (const cryptonote::output_data_t& output_data: mixin_outputs)
} // for (const txin_to_key& in_key: input_key_imgs)
context["outputs"] = outputs;
context["sum_xmr"] = xmreg::xmr_amount_to_str(sum_xmr);
context["inputs"] = inputs;
// read my_outputs.html
string my_outputs_html = xmreg::read(TMPL_MY_OUTPUTS);
// add header and footer
string full_page = get_full_page(my_outputs_html);
add_css_style(context);
// render the page
return mstch::render(full_page, context);
}
string
show_prove(string tx_hash_str,
string xmr_address_str,
string tx_prv_key_str)
{
return show_my_outputs(tx_hash_str, xmr_address_str, tx_prv_key_str, true);
}
string
show_rawtx()
{
// initalise page tempate map with basic info about blockchain
mstch::map context {
{"testnet" , testnet}
};
// read rawtx.html
string rawtx_html = xmreg::read(TMPL_MY_RAWTX);
// add header and footer
string full_page = rawtx_html + get_footer();
add_css_style(context);
// render the page
return mstch::render(full_page, context);
}
string
show_checkrawtx(string raw_tx_data, string action)
{
clean_post_data(raw_tx_data);
string decoded_raw_tx_data = epee::string_encoding::base64_decode(raw_tx_data);
//cout << decoded_raw_tx_data << endl;
const size_t magiclen = strlen(UNSIGNED_TX_PREFIX);
string data_prefix = xmreg::make_printable(decoded_raw_tx_data.substr(0, magiclen));
bool unsigned_tx_given {false};
if (strncmp(decoded_raw_tx_data.c_str(), UNSIGNED_TX_PREFIX, magiclen) == 0)
{
unsigned_tx_given = true;
}
// initalize page template context map
mstch::map context {
{"testnet" , testnet},
{"unsigned_tx_given" , unsigned_tx_given},
{"have_raw_tx" , true},
{"data_prefix" , data_prefix},
{"txs" , mstch::array{}}
};
if (unsigned_tx_given)
{
bool r {false};
string s = decoded_raw_tx_data.substr(magiclen);
::tools::wallet2::unsigned_tx_set exported_txs;
try
{
std::istringstream iss(s);
boost::archive::portable_binary_iarchive ar(iss);
ar >> exported_txs;
r = true;
}
catch (...)
{
cerr << "Failed to parse unsigned tx data " << endl;
}
if (r)
{
mstch::array& txs = boost::get<mstch::array>(context["txs"]);
for (const ::tools::wallet2::tx_construction_data& tx_cd: exported_txs.txes)
{
size_t no_of_sources = tx_cd.sources.size();
const tx_destination_entry& tx_change = tx_cd.change_dts;
crypto::hash payment_id = null_hash;
crypto::hash8 payment_id8 = null_hash8;
get_payment_id(tx_cd.extra, payment_id, payment_id8);
// payments id. both normal and encrypted (payment_id8)
string pid_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", payment_id));
string pid8_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", payment_id8));
mstch::map tx_cd_data {
{"no_of_sources" , no_of_sources},
{"use_rct" , tx_cd.use_rct},
{"change_amount" , xmreg::xmr_amount_to_str(tx_change.amount)},
{"has_payment_id" , (payment_id != null_hash)},
{"has_payment_id8" , (payment_id8 != null_hash8)},
{"payment_id" , pid_str},
{"payment_id8" , pid8_str},
{"dest_sources" , mstch::array{}},
{"dest_infos" , mstch::array{}},
};
mstch::array& dest_sources = boost::get<mstch::array>(tx_cd_data["dest_sources"]);
mstch::array& dest_infos = boost::get<mstch::array>(tx_cd_data["dest_infos"]);
for (const tx_destination_entry& a_dest: tx_cd.splitted_dsts)
{
mstch::map dest_info {
{"dest_address" , get_account_address_as_str(testnet, a_dest.addr)},
{"dest_amount" , xmreg::xmr_amount_to_str(a_dest.amount)}
};
dest_infos.push_back(dest_info);
}
vector<vector<uint64_t>> mixin_timestamp_groups;
vector<uint64_t> real_output_indices;
uint64_t sum_outputs_amounts {0};
for (size_t i = 0; i < no_of_sources; ++i)
{
const tx_source_entry& tx_source = tx_cd.sources.at(i);
mstch::map single_dest_source {
{"output_amount" , xmreg::xmr_amount_to_str(tx_source.amount)},
{"real_output" , tx_source.real_output},
{"real_out_tx_key" , pod_to_hex(tx_source.real_out_tx_key)},
{"real_output_in_tx_index" , tx_source.real_output_in_tx_index},
{"outputs" , mstch::array{}}
};
sum_outputs_amounts += tx_source.amount;
//cout << "tx_source.real_output: " << tx_source.real_output << endl;
//cout << "tx_source.real_out_tx_key: " << tx_source.real_out_tx_key << endl;
//cout << "tx_source.real_output_in_tx_index: " << tx_source.real_output_in_tx_index << endl;
uint64_t index_of_real_output = tx_source.outputs[tx_source.real_output].first;
tx_out_index real_toi;
uint64_t tx_source_amount = (tx_source.rct ? 0 : tx_source.amount);
try
{
// get tx of the real output
real_toi = core_storage->get_db()
.get_output_tx_and_index(tx_source_amount,
index_of_real_output);
}
catch (const OUTPUT_DNE& e)
{
string out_msg = fmt::format(
"Output with amount {:d} and index {:d} does not exist!",
tx_source_amount, index_of_real_output
);
cerr << out_msg << endl;
return string(out_msg);
}
transaction real_source_tx;
if (!mcore->get_tx(real_toi.first, real_source_tx))
{
cerr << "Cant get tx in blockchain: " << real_toi.first << endl;
return string("Cant get tx: " + pod_to_hex(real_toi.first));
}
tx_details real_txd = get_tx_details(real_source_tx);
real_output_indices.push_back(tx_source.real_output);
public_key real_out_pub_key = real_txd.output_pub_keys[tx_source.real_output_in_tx_index].first.key;
//cout << "real_txd.hash: " << pod_to_hex(real_txd.hash) << endl;
//cout << "real_txd.pk: " << pod_to_hex(real_txd.pk) << endl;
//cout << "real_out_pub_key: " << pod_to_hex(real_out_pub_key) << endl;
mstch::array& outputs = boost::get<mstch::array>(single_dest_source["outputs"]);
vector<uint64_t> mixin_timestamps;
size_t output_i {0};
for(const tx_source_entry::output_entry& oe: tx_source.outputs)
{
tx_out_index toi;
try
{
// get tx of the real output
toi = core_storage->get_db()
.get_output_tx_and_index(tx_source_amount, oe.first);
}
catch (OUTPUT_DNE& e)
{
string out_msg = fmt::format(
"Output with amount {:d} and index {:d} does not exist!",
tx_source_amount, oe.first
);
cerr << out_msg << endl;
return string(out_msg);
}
transaction tx;
if (!mcore->get_tx(toi.first, tx))
{
cerr << "Cant get tx in blockchain: " << toi.first
<< ". \n Check mempool now" << endl;
// tx is nowhere to be found :-(
return string("Cant get tx: " + pod_to_hex(toi.first));
}
tx_details txd = get_tx_details(tx);
public_key out_pub_key = txd.output_pub_keys[toi.second].first.key;
// get block cointaining this tx
block blk;
if (!mcore->get_block_by_height(txd.blk_height, blk))
{
cerr << "Cant get block: " << txd.blk_height << endl;
return string("Cant get block: " + to_string(txd.blk_height));
}
pair<string, string> age = get_age(server_timestamp, blk.timestamp);
mstch::map single_output {
{"out_index" , oe.first},
{"tx_hash" , pod_to_hex(txd.hash)},
{"out_pub_key" , pod_to_hex(out_pub_key)},
{"ctkey" , pod_to_hex(oe.second)},
{"output_age" , age.first},
{"is_real" , (out_pub_key == real_out_pub_key)}
};
single_dest_source.insert({"age_format" , age.second});
outputs.push_back(single_output);
mixin_timestamps.push_back(blk.timestamp);
++output_i;
} // for(const tx_source_entry::output_entry& oe: tx_source.outputs)
dest_sources.push_back(single_dest_source);
mixin_timestamp_groups.push_back(mixin_timestamps);
} // for (size_t i = 0; i < no_of_sources; ++i)
tx_cd_data.insert({"sum_outputs_amounts" ,
xmreg::xmr_amount_to_str(sum_outputs_amounts)});
uint64_t min_mix_timestamp;
uint64_t max_mix_timestamp;
pair<mstch::array, double> mixins_timescales
= construct_mstch_mixin_timescales(
mixin_timestamp_groups,
min_mix_timestamp,
max_mix_timestamp
);
tx_cd_data["timescales"] = mixins_timescales.first;
tx_cd_data["min_mix_time"] = xmreg::timestamp_to_str(min_mix_timestamp);
tx_cd_data["max_mix_time"] = xmreg::timestamp_to_str(max_mix_timestamp);
tx_cd_data["timescales_scale"] = fmt::format("{:0.2f}",
mixins_timescales.second
/ 3600.0 / 24.0); // in days
// mark real mixing in the mixins timescale graph
mark_real_mixins_on_timescales(real_output_indices, tx_cd_data);
txs.push_back(tx_cd_data);
} // for (const ::tools::wallet2::tx_construction_data& tx_cd: exported_txs.txes)
}
else
{
cerr << "deserialization of unsigned tx data NOT successful" << endl;
return string("deserialization of unsigned tx data NOT successful. "
"Maybe its not base64 encoded?");
}
} // if (unsigned_tx_given)
else
{
// if raw data is not unsigined tx, then assume it is signed tx
const size_t magiclen = strlen(SIGNED_TX_PREFIX);
string data_prefix = xmreg::make_printable(decoded_raw_tx_data.substr(0, magiclen));
if (strncmp(decoded_raw_tx_data.c_str(), SIGNED_TX_PREFIX, magiclen) != 0)
{
string msg = fmt::format("The data is neither unsigned nor signed tx! Its prefix is: {:s}",
data_prefix);
cout << msg << endl;
return string(msg);
}
context["data_prefix"] = data_prefix;
bool r {false};
string s = decoded_raw_tx_data.substr(magiclen);
::tools::wallet2::signed_tx_set signed_txs;
try
{
std::istringstream iss(s);
boost::archive::portable_binary_iarchive ar(iss);
ar >> signed_txs;
r = true;
}
catch (...)
{
cerr << "Failed to parse signed tx data " << endl;
}
if (!r)
{
cerr << "deserialization of signed tx data NOT successful" << endl;
return string("deserialization of signed tx data NOT successful. "
"Maybe its not base64 encoded?");
}
std::vector<tools::wallet2::pending_tx> ptxs = signed_txs.ptx;
context.insert({"txs", mstch::array{}});
for (tools::wallet2::pending_tx& ptx: ptxs)
{
mstch::map tx_context = construct_tx_context(ptx.tx);
if (boost::get<bool>(tx_context["has_error"]))
{
return boost::get<string>(tx_context["error_msg"]);
}
tx_context["tx_prv_key"] = fmt::format("{:s}", ptx.tx_key);
mstch::array destination_addresses;
vector<uint64_t> real_ammounts;
uint64_t outputs_xmr_sum {0};
// destiantion address for this tx
for (tx_destination_entry& a_dest: ptx.construction_data.splitted_dsts)
{
//stealth_address_amount.insert({dest.addr, dest.amount});
//cout << get_account_address_as_str(testnet, a_dest.addr) << endl;
//address_amounts.push_back(a_dest.amount);
destination_addresses.push_back(
mstch::map {
{"dest_address" , get_account_address_as_str(testnet, a_dest.addr)},
{"dest_amount" , xmreg::xmr_amount_to_str(a_dest.amount)},
{"is_this_change" , false}
}
);
outputs_xmr_sum += a_dest.amount;
real_ammounts.push_back(a_dest.amount);
}
// get change address and amount info
if (ptx.construction_data.change_dts.amount > 0)
{
destination_addresses.push_back(
mstch::map {
{"dest_address" , get_account_address_as_str(testnet, ptx.construction_data.change_dts.addr)},
{"dest_amount" , xmreg::xmr_amount_to_str(ptx.construction_data.change_dts.amount)},
{"is_this_change" , true}
}
);
real_ammounts.push_back(ptx.construction_data.change_dts.amount);
};
tx_context["outputs_xmr_sum"] = xmreg::xmr_amount_to_str(outputs_xmr_sum);
tx_context.insert({"dest_infos", destination_addresses});
// get reference to inputs array created of the tx
mstch::array& outputs = boost::get<mstch::array>(tx_context["outputs"]);
// show real output amount for ringct outputs.
// otherwise its only 0.000000000
for (size_t i = 0; i < outputs.size(); ++i)
{
mstch::map& output_map = boost::get<mstch::map>(outputs.at(i));
string& out_amount_str = boost::get<string>(output_map["amount"]);
//cout << boost::get<string>(output_map["out_pub_key"])
// <<", " << out_amount_str << endl;
uint64_t output_amount;
if (parse_amount(output_amount, out_amount_str))
{
if (output_amount == 0)
{
out_amount_str = xmreg::xmr_amount_to_str(real_ammounts.at(i));
}
}
}
// get public keys of real outputs
vector<string> real_output_pub_keys;
vector<uint64_t> real_output_indices;
vector<uint64_t> real_amounts;
uint64_t inputs_xmr_sum {0};
for (const tx_source_entry& tx_source: ptx.construction_data.sources)
{
transaction real_source_tx;
uint64_t index_of_real_output = tx_source.outputs[tx_source.real_output].first;
uint64_t tx_source_amount = (tx_source.rct ? 0 : tx_source.amount);
tx_out_index real_toi;
try
{
// get tx of the real output
real_toi = core_storage->get_db()
.get_output_tx_and_index(tx_source_amount, index_of_real_output);
}
catch (const OUTPUT_DNE& e)
{
string out_msg = fmt::format(
"Output with amount {:d} and index {:d} does not exist!",
tx_source_amount, index_of_real_output
);
cerr << out_msg << endl;
return string(out_msg);
}
if (!mcore->get_tx(real_toi.first, real_source_tx))
{
cerr << "Cant get tx in blockchain: " << real_toi.first << endl;
return string("Cant get tx: " + pod_to_hex(real_toi.first));
}
tx_details real_txd = get_tx_details(real_source_tx);
public_key real_out_pub_key
= real_txd.output_pub_keys[tx_source.real_output_in_tx_index].first.key;
real_output_pub_keys.push_back(
REMOVE_HASH_BRAKETS(fmt::format("{:s}",real_out_pub_key))
);
real_output_indices.push_back(tx_source.real_output);
real_amounts.push_back(tx_source.amount);
inputs_xmr_sum += tx_source.amount;
}
// mark that we have signed tx data for use in mstch
tx_context["have_raw_tx"] = true;
// provide total mount of inputs xmr
tx_context["inputs_xmr_sum"] = xmreg::xmr_amount_to_str(inputs_xmr_sum);
// get reference to inputs array created of the tx
mstch::array& inputs = boost::get<mstch::array>(tx_context["inputs"]);
uint64_t input_idx {0};
// mark which mixin is real in each input's mstch context
for (mstch::node& input_node: inputs)
{
mstch::map& input_map = boost::get<mstch::map>(input_node);
// show input amount
string& amount = boost::get<string>(
boost::get<mstch::map>(input_node)["amount"]
);
amount = xmreg::xmr_amount_to_str(real_amounts.at(input_idx));
// check if key images are spend or not
string& in_key_img_str = boost::get<string>(
boost::get<mstch::map>(input_node)["in_key_img"]
);
key_image key_imgage;
if (epee::string_tools::hex_to_pod(in_key_img_str, key_imgage))
{
input_map["already_spent"] = core_storage->get_db().has_key_image(key_imgage);
}
// mark real mixings
mstch::array& mixins = boost::get<mstch::array>(
boost::get<mstch::map>(input_node)["mixins"]
);
for (mstch::node& mixin_node: mixins)
{
mstch::map& mixin = boost::get<mstch::map>(mixin_node);
string mix_pub_key_str = boost::get<string>(mixin["mix_pub_key"]);
//cout << mix_pub_key_str << endl;
if (std::find(
real_output_pub_keys.begin(),
real_output_pub_keys.end(),
mix_pub_key_str) != real_output_pub_keys.end())
{
mixin["mix_is_it_real"] = true;
}
}
++input_idx;
}
// mark real mixing in the mixins timescale graph
mark_real_mixins_on_timescales(real_output_indices, tx_context);
boost::get<mstch::array>(context["txs"]).push_back(tx_context);
}
}
map<string, string> partials {
{"tx_details", xmreg::read(string(TMPL_PARIALS_DIR) + "/tx_details.html")},
};
// read checkrawtx.html
string checkrawtx_html = xmreg::read(TMPL_MY_CHECKRAWTX);
// add header and footer
string full_page = checkrawtx_html + get_footer();
add_css_style(context);
// render the page
return mstch::render(full_page, context, partials);
}
string
show_pushrawtx(string raw_tx_data, string action)
{
clean_post_data(raw_tx_data);
string decoded_raw_tx_data = epee::string_encoding::base64_decode(raw_tx_data);
const size_t magiclen = strlen(SIGNED_TX_PREFIX);
string data_prefix = xmreg::make_printable(decoded_raw_tx_data.substr(0, magiclen));
// initalize page template context map
mstch::map context {
{"testnet" , testnet},
{"have_raw_tx" , true},
{"has_error" , false},
{"error_msg" , string {}},
{"data_prefix" , data_prefix},
{"txs" , mstch::array{}}
};
// read pushrawtx.html
string pushrawtx_html = xmreg::read(TMPL_MY_PUSHRAWTX);
// add header and footer
string full_page = pushrawtx_html + get_footer();
add_css_style(context);
if (strncmp(decoded_raw_tx_data.c_str(), SIGNED_TX_PREFIX, magiclen) != 0)
{
string error_msg = fmt::format("The data does not appear to be signed raw tx! Data prefix: {:s}",
data_prefix);
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
if (this->enable_pusher == false)
{
string error_msg = fmt::format(
"Pushing disabled!\n "
"Run explorer with --enable-pusher flag to enable it.");
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
bool r {false};
string s = decoded_raw_tx_data.substr(magiclen);
::tools::wallet2::signed_tx_set signed_txs;
try
{
std::istringstream iss(s);
boost::archive::portable_binary_iarchive ar(iss);
ar >> signed_txs;
r = true;
}
catch (...)
{
cerr << "Failed to parse signed tx data " << endl;
}
if (!r)
{
string error_msg = fmt::format("Deserialization of signed tx data NOT successful! "
"Maybe its not base64 encoded?");
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
mstch::array& txs = boost::get<mstch::array>(context["txs"]);
std::vector<tools::wallet2::pending_tx> ptx_vector = signed_txs.ptx;
// actually commit the transactions
while (!ptx_vector.empty())
{
tools::wallet2::pending_tx& ptx = ptx_vector.back();
tx_details txd = get_tx_details(ptx.tx);
string tx_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", txd.hash));
mstch::map tx_cd_data {
{"tx_hash" , tx_hash_str}
};
// check in mempool already contains tx to be submited
vector<pair<tx_info, transaction>> found_mempool_txs
= search_mempool(txd.hash);
if (!found_mempool_txs.empty())
{
string error_msg = fmt::format("Tx already exist in the mempool: {:s}\n",
tx_hash_str);
context["has_error"] = true;
context["error_msg"] = error_msg;
break;
}
// check if tx to be submited already exists in the blockchain
if (core_storage->have_tx(txd.hash))
{
string error_msg = fmt::format("Tx already exist in the blockchain: {:s}\n",
tx_hash_str);
context["has_error"] = true;
context["error_msg"] = error_msg;
break;
}
// check if any key images of the tx to be submited are already spend
vector<key_image> key_images_spent;
for (const txin_to_key& tx_in: txd.input_key_imgs)
{
if (core_storage->have_tx_keyimg_as_spent(tx_in.k_image))
key_images_spent.push_back(tx_in.k_image);
}
if (!key_images_spent.empty())
{
string error_msg = fmt::format("Tx with hash {:s} has already spent inputs\n",
tx_hash_str);
for (key_image& k_img: key_images_spent)
{
error_msg += REMOVE_HASH_BRAKETS(fmt::format("{:s}", k_img));
error_msg += "</br>";
}
context["has_error"] = true;
context["error_msg"] = error_msg;
break;
}
string rpc_error_msg;
if (this->enable_pusher == false)
{
string error_msg = fmt::format(
"Pushing signed transactions is disabled. "
"Run explorer with --enable-pusher flag to enable it.\n");
context["has_error"] = true;
context["error_msg"] = error_msg;
break;
}
if (!rpc.commit_tx(ptx, rpc_error_msg))
{
string error_msg = fmt::format(
"Submitting signed tx {:s} to daemon failed: {:s}\n",
tx_hash_str, rpc_error_msg);
context["has_error"] = true;
context["error_msg"] = error_msg;
break;
}
txs.push_back(tx_cd_data);
// if no exception, remove element from vector
ptx_vector.pop_back();
}
// render the page
return mstch::render(full_page, context);
}
string
show_rawkeyimgs()
{
// initalize page template context map
mstch::map context {
{"testnet" , testnet}
};
// read rawkeyimgs.html
string rawkeyimgs_html = xmreg::read(TMPL_MY_RAWKEYIMGS);
// add header and footer
string full_page = rawkeyimgs_html + get_footer();
add_css_style(context);
// render the page
return mstch::render(full_page, context);
}
string
show_rawoutputkeys()
{
// initalize page template context map
mstch::map context {
{"testnet" , testnet}
};
// read rawoutputkeys.html
string rawoutputkeys_html = xmreg::read(TMPL_MY_RAWOUTPUTKEYS);
// add header and footer
string full_page = rawoutputkeys_html + get_footer();
add_css_style(context);
// render the page
return mstch::render(full_page, context);
}
string
show_checkrawkeyimgs(string raw_data, string viewkey_str)
{
clean_post_data(raw_data);
// remove white characters
boost::trim(viewkey_str);
string decoded_raw_data = epee::string_encoding::base64_decode(raw_data);
secret_key prv_view_key;
// initalize page template context map
mstch::map context{
{"testnet" , testnet},
{"has_error", false},
{"error_msg", string{}},
};
// read page template
string checkrawkeyimgs_html = xmreg::read(TMPL_MY_CHECKRAWKEYIMGS);
// add footer
string full_page = checkrawkeyimgs_html + get_footer();
add_css_style(context);
if (viewkey_str.empty())
{
string error_msg = fmt::format("View key not given. Cant decode "
"the key image data without it!");
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
if (!xmreg::parse_str_secret_key(viewkey_str, prv_view_key))
{
string error_msg = fmt::format("Cant parse the private key: " + viewkey_str);
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
const size_t magiclen = strlen(KEY_IMAGE_EXPORT_FILE_MAGIC);
string data_prefix = xmreg::make_printable(decoded_raw_data.substr(0, magiclen));
context["data_prefix"] = data_prefix;
if (!strncmp(decoded_raw_data.c_str(), KEY_IMAGE_EXPORT_FILE_MAGIC, magiclen) == 0)
{
string error_msg = fmt::format("This does not seem to be key image export data.");
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
// decrypt key images data using private view key
decoded_raw_data = xmreg::decrypt(
std::string(decoded_raw_data, magiclen),
prv_view_key, true);
if (decoded_raw_data.empty())
{
string error_msg = fmt::format("Failed to authenticate key images data. "
"Maybe wrong viewkey was porvided?");
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
// header is public spend and keys
const size_t header_lenght = 2 * sizeof(crypto::public_key);
const size_t key_img_size = sizeof(crypto::key_image);
const size_t record_lenght = key_img_size + sizeof(crypto::signature);
const size_t chacha_length = sizeof(crypto::chacha8_key);
if (decoded_raw_data.size() < header_lenght)
{
string error_msg = fmt::format("Bad data size from submitted key images raw data.");
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
// get xmr address stored in this key image file
const account_public_address* xmr_address =
reinterpret_cast<const account_public_address*>(
decoded_raw_data.data());
context.insert({"address" , REMOVE_HASH_BRAKETS(xmreg::print_address(*xmr_address, testnet))});
context.insert({"viewkey" , REMOVE_HASH_BRAKETS(fmt::format("{:s}", prv_view_key))});
context.insert({"has_total_xmr" , false});
context.insert({"total_xmr" , string{}});
context.insert({"key_imgs" , mstch::array{}});
unique_ptr<xmreg::MyLMDB> mylmdb;
if (bf::is_directory(lmdb2_path))
{
mylmdb = make_unique<xmreg::MyLMDB>(lmdb2_path);
}
else
{
cout << "Custom lmdb database seem does not exist at: " << lmdb2_path << endl;
}
size_t no_key_images = (decoded_raw_data.size() - header_lenght) / record_lenght;
//vector<pair<crypto::key_image, crypto::signature>> signed_key_images;
mstch::array& key_imgs_ctx = boost::get<mstch::array>(context["key_imgs"]);
uint64_t total_xmr {0};
for (size_t n = 0; n < no_key_images; ++n)
{
const char* record_ptr = decoded_raw_data.data() + header_lenght + n * record_lenght;
crypto::key_image key_image
= *reinterpret_cast<const crypto::key_image*>(record_ptr);
crypto::signature signature
= *reinterpret_cast<const crypto::signature*>(record_ptr + key_img_size);
vector<string> found_tx_hashes;
if (mylmdb)
{
mylmdb->search(epee::string_tools::pod_to_hex(key_image),
found_tx_hashes, "key_images");
}
mstch::map key_img_info {
{"key_no" , fmt::format("{:03d}", n)},
{"key_image" , REMOVE_HASH_BRAKETS(fmt::format("{:s}", key_image))},
{"signature" , fmt::format("{:s}", signature)},
{"address" , xmreg::print_address(*xmr_address, testnet)},
{"amount" , string{}},
{"is_spent" , core_storage->have_tx_keyimg_as_spent(key_image)},
{"tx_hash_found" , !found_tx_hashes.empty()},
{"tx_hash" , string{}}
};
if (!found_tx_hashes.empty())
{
string tx_hash_str = found_tx_hashes.at(0);
key_img_info["tx_hash"] = tx_hash_str;
key_img_info["timestamp"] = "";
transaction tx;
if (mcore->get_tx(tx_hash_str, tx))
{
crypto::hash tx_hash;
epee::string_tools::hex_to_pod(tx_hash_str, tx_hash);
// get timestamp of the tx's block
uint64_t blk_height = core_storage
->get_db().get_tx_block_height(tx_hash);
uint64_t blk_timestamp = core_storage
->get_db().get_block_timestamp(blk_height);
vector<txin_to_key> tx_key_imgs = get_key_images(tx);
for (auto it = tx_key_imgs.begin(); it != tx_key_imgs.end(); ++it)
{
if ((*it).k_image != key_image)
{
continue;
}
uint64_t xmr_amount = (*it).amount;
// RingCT, i.e., tx version is 2
// thus need to decode the amounts
// otherwise they all appear to be zero.
// so to find the amount, first we need to find
// our output in the key images's mixins, and then
// decode it using ringct.
// this requires to loop over mixins of each key image,
// get its source txs, get mixin index in that tx,
// and check if its our mixin or not using private_view_key
// and public_spend_key_provided
if (tx.version == 2)
{
vector<uint64_t> absolute_offsets
= relative_output_offsets_to_absolute((*it).key_offsets);
// need to go through each mixin, fetch its tx
// find its index in that txs, obtain tx_public_key
// derive a deriviec_key, compare derived output key
// with the output key in txs, and decode rct amount
// if equal
for (uint64_t out_idx: absolute_offsets)
{
//tx_out_index is pair<transaction hash, output index>
tx_out_index toi;
try
{
// get pair<transaction hash, output index>
toi = core_storage->get_db()
.get_output_tx_and_index((*it).amount, out_idx);
}
catch (const OUTPUT_DNE& e)
{
string error_msg = fmt::format(
"Output with amount {:d} and index {:d} does not exist!",
(*it).amount, out_idx);
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
// get actual transaction structure from tx_hash
transaction output_source_tx;
if (!mcore->get_tx(toi.first, output_source_tx))
{
string error_msg = fmt::format(
"Cant get tx in blockchain: {:s}", toi.first);
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
uint64_t output_idx_in_tx = toi.second;
// get tx outpout key
const txout_to_key& output_pub_key
= boost::get<txout_to_key>(
output_source_tx.vout[output_idx_in_tx].target);
uint64_t rct_amount = output_source_tx.vout[output_idx_in_tx].amount;
public_key tx_pub_key = xmreg::get_tx_pub_key_from_received_outs(
output_source_tx);
// public transaction key is combined with our viewkey
// to create, so called, derived key.
key_derivation derivation;
if (!generate_key_derivation(tx_pub_key, prv_view_key, derivation))
{
string error_msg = fmt::format(
"Cant get derived key for "
"pub_tx_key: {:s}, prv_view_key: {:s}"
, tx_pub_key, prv_view_key);
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
// get the tx output public key
// that normally would be generated for us,
// if someone had sent us some xmr.
public_key derived_output_pubkey;
derive_public_key(derivation,
output_idx_in_tx,
xmr_address->m_spend_public_key,
derived_output_pubkey);
// check if generated public key matches the current output's key
bool mine_output = (output_pub_key.key == derived_output_pubkey);
if (mine_output)
{
// seems we found our output. so now lets decode its amount
// using ringct
bool r;
r = decode_ringct(output_source_tx.rct_signatures,
tx_pub_key,
prv_view_key,
output_idx_in_tx,
output_source_tx.rct_signatures.ecdhInfo[output_idx_in_tx].mask,
rct_amount);
if (!r)
{
string error_msg = fmt::format(
"Cant decode ringCT for "
"pub_tx_key: {:s} "
"using prv_view_key: {:s}",
tx_pub_key, prv_view_key);
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
xmr_amount = rct_amount;
break;
} // if (mine_output)
} // for (uint64_t out_idx: (*it).key_offsets)
} // if (tx.version == 2)
key_img_info["amount"] = xmreg::xmr_amount_to_str(xmr_amount);
key_img_info["is_ringct"] = tx.version == 2 ? true: false;
total_xmr += xmr_amount;
} // for (it = tx_key_imgs.begin(); it != tx_key_imgs.end(); ++it)
key_img_info["timestamp"] = xmreg::timestamp_to_str(blk_timestamp);
} // if (mcore->get_tx(tx_hash_str, tx))
} // if (!found_tx_hashes.empty())
key_imgs_ctx.push_back(key_img_info);
} // for (size_t n = 0; n < no_key_images; ++n)
if (total_xmr > 0)
{
context["has_total_xmr"] = true;
context["total_xmr"] = xmreg::xmr_amount_to_str(total_xmr);
}
// render the page
return mstch::render(full_page, context);
}
string
show_checkcheckrawoutput(string raw_data, string viewkey_str)
{
clean_post_data(raw_data);
// remove white characters
boost::trim(viewkey_str);
string decoded_raw_data = epee::string_encoding::base64_decode(raw_data);
secret_key prv_view_key;
// initalize page template context map
mstch::map context{
{"testnet", testnet},
{"has_error", false},
{"error_msg", string{}},
};
// read page template
string checkoutputkeys_html = xmreg::read(TMPL_MY_CHECKRAWOUTPUTKEYS);
// add footer
string full_page = checkoutputkeys_html + get_footer();
add_css_style(context);
if (viewkey_str.empty())
{
string error_msg = fmt::format("View key not given. Cant decode "
"the outputs data without it!");
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
if (!xmreg::parse_str_secret_key(viewkey_str, prv_view_key))
{
string error_msg = fmt::format("Cant parse the private key: " + viewkey_str);
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
const size_t magiclen = strlen(OUTPUT_EXPORT_FILE_MAGIC);
string data_prefix = xmreg::make_printable(decoded_raw_data.substr(0, magiclen));
context["data_prefix"] = data_prefix;
if (!strncmp(decoded_raw_data.c_str(), OUTPUT_EXPORT_FILE_MAGIC, magiclen) == 0)
{
string error_msg = fmt::format("This does not seem to be output keys export data.");
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
// decrypt key images data using private view key
decoded_raw_data = xmreg::decrypt(
std::string(decoded_raw_data, magiclen),
prv_view_key, true);
if (decoded_raw_data.empty())
{
string error_msg = fmt::format("Failed to authenticate outputs data. "
"Maybe wrong viewkey was porvided?");
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
// header is public spend and keys
const size_t header_lenght = 2 * sizeof(crypto::public_key);
// get xmr address stored in this key image file
const account_public_address* xmr_address =
reinterpret_cast<const account_public_address*>(
decoded_raw_data.data());
context.insert({"address" , REMOVE_HASH_BRAKETS(xmreg::print_address(*xmr_address, testnet))});
context.insert({"viewkey" , REMOVE_HASH_BRAKETS(fmt::format("{:s}", prv_view_key))});
context.insert({"has_total_xmr" , false});
context.insert({"total_xmr" , string{}});
context.insert({"output_keys" , mstch::array{}});
mstch::array& output_keys_ctx = boost::get<mstch::array>(context["output_keys"]);
unique_ptr<xmreg::MyLMDB> mylmdb;
if (bf::is_directory(lmdb2_path))
{
mylmdb = make_unique<xmreg::MyLMDB>(lmdb2_path);
}
else
{
cout << "Custom lmdb database seem does not exist at: " << lmdb2_path << endl;
}
std::vector<tools::wallet2::transfer_details> outputs;
try
{
std::string body(decoded_raw_data, header_lenght);
std::stringstream iss;
iss << body;
boost::archive::portable_binary_iarchive ar(iss);
ar >> outputs;
//size_t n_outputs = m_wallet->import_outputs(outputs);
}
catch (const std::exception &e)
{
string error_msg = fmt::format("Failed to import outputs: {:s}", e.what());
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
uint64_t total_xmr {0};
uint64_t output_no {0};
context["are_key_images_known"] = false;
for (const tools::wallet2::transfer_details& td: outputs)
{
const transaction_prefix& txp = td.m_tx;
txout_to_key txout_key = boost::get<txout_to_key>(
txp.vout[td.m_internal_output_index].target);
uint64_t xmr_amount = td.amount();
// if the output is RingCT, i.e., tx version is 2
// need to decode its amount
if (td.m_tx.version == 2)
{
// get tx associated with the given output
transaction tx;
if (!mcore->get_tx(td.m_txid, tx))
{
string error_msg = fmt::format("Cant get tx of hash: {:s}", td.m_txid);
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
public_key tx_pub_key = xmreg::get_tx_pub_key_from_received_outs(tx);
bool r = decode_ringct(tx.rct_signatures,
tx_pub_key,
prv_view_key,
td.m_internal_output_index,
tx.rct_signatures.ecdhInfo[td.m_internal_output_index].mask,
xmr_amount);
if (!r)
{
string error_msg = fmt::format(
"Cant decode RingCT for output: {:s}",
txout_key.key);
context["has_error"] = true;
context["error_msg"] = error_msg;
return mstch::render(full_page, context);
}
}
uint64_t blk_timestamp = core_storage
->get_db().get_block_timestamp(td.m_block_height);
const key_image* output_key_img;
bool is_output_spent {false};
if (td.m_key_image_known)
{
//are_key_images_known
output_key_img = &td.m_key_image;
is_output_spent = core_storage->have_tx_keyimg_as_spent(*output_key_img);
context["are_key_images_known"] = true;
}
mstch::map output_info {
{"output_no" , fmt::format("{:03d}", output_no)},
{"output_pub_key" , REMOVE_HASH_BRAKETS(fmt::format("{:s}", txout_key.key))},
{"amount" , xmreg::xmr_amount_to_str(xmr_amount)},
{"tx_hash" , REMOVE_HASH_BRAKETS(fmt::format("{:s}", td.m_txid))},
{"timestamp" , xmreg::timestamp_to_str(blk_timestamp)},
{"is_spent" , is_output_spent},
{"is_ringct" , td.m_rct}
};
++output_no;
if (!is_output_spent)
{
total_xmr += xmr_amount;
}
output_keys_ctx.push_back(output_info);
}
if (total_xmr > 0)
{
context["has_total_xmr"] = true;
context["total_xmr"] = xmreg::xmr_amount_to_str(total_xmr);
}
return mstch::render(full_page, context);;
}
string
search(string search_text)
{
// remove white characters
boost::trim(search_text);
string default_txt {"No such thing found: " + search_text};
string result_html {default_txt};
// check first if we look for output with given global index
// such search start with "goi_", e.g., "goi_543"
bool search_for_global_output_idx = (search_text.substr(0, 4) == "goi_");
// check if we look for output with amout index and amount
// such search start with "aoi_", e.g., "aoi_444-23.00"
bool search_for_amount_output_idx = (search_text.substr(0, 4) == "aoi_");
// first check if searching for block of given height
if (search_text.size() < 12 &&
(search_for_global_output_idx == false
||search_for_amount_output_idx == false))
{
uint64_t blk_height;
try
{
blk_height = boost::lexical_cast<uint64_t>(search_text);
result_html = show_block(blk_height);
// nasty check if output is "Cant get" as a sign of
// a not found tx. Later need to think of something better.
if (result_html.find("Cant get") == string::npos)
{
return result_html;
}
}
catch(boost::bad_lexical_cast &e)
{
cerr << fmt::format("Parsing {:s} into uint64_t failed", search_text)
<< endl;
}
}
// check if monero address is given based on its length
// if yes, then we can only show its public components
if (search_text.length() == 95)
{
// parse string representing given monero address
cryptonote::account_public_address address;
bool testnet_addr {false};
if (search_text[0] == '9' || search_text[0] == 'A')
testnet_addr = true;
if (!xmreg::parse_str_address(search_text, address, testnet_addr))
{
cerr << "Cant parse string address: " << search_text << endl;
return string("Cant parse address (probably incorrect format): ")
+ search_text;
}
return show_address_details(address, testnet_addr);
}
// check if integrated monero address is given based on its length
// if yes, then show its public components search tx based on encrypted id
if (search_text.length() == 106)
{
cryptonote::account_public_address address;
bool has_payment_id;
crypto::hash8 encrypted_payment_id;
bool testnet;
if (!get_account_integrated_address_from_str(address,
has_payment_id,
encrypted_payment_id,
testnet,
search_text))
{
cerr << "Cant parse string integerated address: " << search_text << endl;
return string("Cant parse address (probably incorrect format): ")
+ search_text;
}
return show_integrated_address_details(address, encrypted_payment_id, testnet);
}
// second let try searching for tx
result_html = show_tx(search_text);
// nasty check if output is "Cant get" as a sign of
// a not found tx. Later need to think of something better.
if (result_html.find("Cant get") == string::npos)
{
return result_html;
}
// if tx search not successful, check if we are looking
// for a block with given hash
result_html = show_block(search_text);
if (result_html.find("Cant get") == string::npos)
{
return result_html;
}
result_html = default_txt;
// get mempool transaction so that what we search,
// might be there. Note: show_tx above already searches it
// but only looks for tx hash. Now want to check
// for key_images, public_keys, payments_id, etc.
vector<transaction> mempool_txs = get_mempool_txs();
// key is string indicating where search_text was found.
map<string, vector<string>> tx_search_results
= search_txs(mempool_txs, search_text);
// now search my own custom lmdb database
// with key_images, public_keys, payments_id etc.
vector<pair<string, vector<string>>> all_possible_tx_hashes;
try
{
unique_ptr<xmreg::MyLMDB> mylmdb;
if (!bf::is_directory(lmdb2_path))
{
cout << "Custom lmdb database seem does not exist at: " << lmdb2_path << endl;
result_html = show_search_results(search_text, all_possible_tx_hashes);
return result_html;
}
cout << "Custom lmdb database seem to exist at: " << lmdb2_path << endl;
cout << "So lets try to search there for what we are after." << endl;
mylmdb = make_unique<xmreg::MyLMDB>(lmdb2_path);
// check if date given in format: 2015-04-15 12:02:33
// this is 19 characters
if (search_text.length() == 19)
{
uint64_t estimated_blk_height {0};
// first parse the string to date::sys_seconds and then to timestamp
// since epoch
uint64_t blk_timestamp_utc = parse(search_text).time_since_epoch().count();
if (blk_timestamp_utc)
{
// seems we have a correct date!
// so try to estimate block height from it.
//
// to find block we can use our lmdb outputs_info table
// its indexes are timestamps.
vector<xmreg::output_info> out_infos;
if (mylmdb->get_output_info(blk_timestamp_utc, out_infos))
{
// since many outputs can be in a single block
// just get the first one to obtained its block
uint64_t found_blk_height = core_storage->get_db()
.get_tx_block_height(out_infos.at(0).tx_hash);
return show_block(found_blk_height);
}
}
}
else if (search_text.length() == 16)
{
// check if date given in format: 2015-04-15 12:02
// this is 16 characters, i.e., only minut given
// so search all blocks made within that minute
// first parse the string to date::sys_seconds and then to timestamp
// since epoch
uint64_t blk_timestamp_utc_start
= parse(search_text, "%Y-%m-%d %H:%M")
.time_since_epoch().count();
if (blk_timestamp_utc_start)
{
// seems we have a correct date!
// add 60 seconds, i.e. 1 min
uint64_t blk_timestamp_utc_end
= blk_timestamp_utc_start + 59;
all_possible_tx_hashes.push_back(
make_pair("tx_in_the_minute", vector<string>{}));
vector<string>& txs_found_ref
= all_possible_tx_hashes.back().second;
get_txs_from_timestamp_range(
blk_timestamp_utc_start,
blk_timestamp_utc_end,
mylmdb,
txs_found_ref);
}
}
else if (search_text.length() == 13)
{
// check if date given in format: 2015-04-15 12
// this is 13 characters, i.e., only hour given
// so search all blocks made within that hour
// first parse the string to date::sys_seconds and then to timestamp
// since epoch
uint64_t blk_timestamp_utc_start
= parse(search_text, "%Y-%m-%d %H")
.time_since_epoch().count();
if (blk_timestamp_utc_start)
{
// seems we have a correct date!
// add 60 seconds, i.e. 1 hour
uint64_t blk_timestamp_utc_end
= blk_timestamp_utc_start + 3599;
all_possible_tx_hashes.push_back(
make_pair("tx_in_the_hour", vector<string>{}));
vector<string>& txs_found_ref
= all_possible_tx_hashes.back().second;
get_txs_from_timestamp_range(
blk_timestamp_utc_start,
blk_timestamp_utc_end,
mylmdb,
txs_found_ref);
}
}
else if (search_text.length() == 10)
{
// check if date given in format: 2015-04-15
// this is 10 characters, i.e., only day given
// so search all blocks made within that day
// first parse the string to date::sys_seconds and then to timestamp
// since epoch
uint64_t blk_timestamp_utc_start
= parse(search_text, "%Y-%m-%d")
.time_since_epoch().count();
if (blk_timestamp_utc_start)
{
// seems we have a correct date!
// add 60 seconds, i.e. 1 day
uint64_t blk_timestamp_utc_end
= blk_timestamp_utc_start + 86399;
all_possible_tx_hashes.push_back(
make_pair("tx_in_the_day", vector<string>{}));
vector<string>& txs_found_ref
= all_possible_tx_hashes.back().second;
get_txs_from_timestamp_range(
blk_timestamp_utc_start,
blk_timestamp_utc_end,
mylmdb,
txs_found_ref);
}
}
mylmdb->search(search_text,
tx_search_results["key_images"],
"key_images");
//cout << "size: " << tx_search_results["key_images"].size() << endl;
all_possible_tx_hashes.push_back(
make_pair("key_images",
tx_search_results["key_images"]));
// search the custum lmdb for tx_public_keys and append the result
// to those from the mempool search if found
mylmdb->search(search_text,
tx_search_results["tx_public_keys"],
"tx_public_keys");
if (!tx_search_results["tx_public_keys"].empty())
{
all_possible_tx_hashes.push_back(
make_pair("tx_public_keys",
tx_search_results["tx_public_keys"]));
}
else
{
// if private tx key is added, use it to obtained tx_public_key
// and than search for corresponding tx
public_key tx_pub_key = null_pkey;
secret_key tx_prv_key;
if (hex_to_pod(search_text, tx_prv_key))
{
secret_key recovery_key = tx_prv_key;
const unsigned char * tx_prv_key_ptr = reinterpret_cast<const unsigned char *>(&tx_prv_key);
unsigned char * tx_pub_key_ptr = reinterpret_cast<unsigned char *>(&tx_pub_key);
//memcpy(&tx_pub_key.data, reinterpret_cast<char*>(tx_pub_key_ptr), sizeof(tx_pub_key.data));
ge_p3 point;
ge_scalarmult_base(&point, tx_prv_key_ptr);
ge_p3_tobytes(tx_pub_key_ptr, &point);
string tx_pub_key_str = pod_to_hex(tx_pub_key);
mylmdb->search(tx_pub_key_str,
tx_search_results["tx_public_keys"],
"tx_public_keys");
all_possible_tx_hashes.push_back(
make_pair("tx_public_keys",
tx_search_results["tx_public_keys"]));
}
}
// search the custum lmdb for payments_id and append the result
// to those from the mempool search if found
mylmdb->search(search_text,
tx_search_results["payments_id"],
"payments_id");
all_possible_tx_hashes.push_back(
make_pair("payments_id",
tx_search_results["payments_id"]));
// search the custum lmdb for encrypted_payments_id and append the result
// to those from the mempool search if found
mylmdb->search(search_text,
tx_search_results["encrypted_payments_id"],
"encrypted_payments_id");
all_possible_tx_hashes.push_back(
make_pair("encrypted_payments_id",
tx_search_results["encrypted_payments_id"]));
// search the custum lmdb for output_public_keys and append the result
// to those from the mempool search if found
mylmdb->search(search_text,
tx_search_results["output_public_keys"],
"output_public_keys");
all_possible_tx_hashes.push_back(
make_pair("output_public_keys",
tx_search_results["output_public_keys"]));
// seach for output using output global index
if (search_for_global_output_idx)
{
try
{
uint64_t global_idx = boost::lexical_cast<uint64_t>(
search_text.substr(4));
output_data_t output_data;
try
{
// get info about output of a given global index
output_data = core_storage->get_db()
.get_output_key(global_idx);
}
catch (const OUTPUT_DNE& e)
{
string out_msg = fmt::format(
"Output with index {:d} does not exist!",
global_idx
);
cerr << out_msg << endl;
return out_msg;
}
//cout << "tx_out.first: " << tx_out.first << endl;
//cout << "tx_out.second: " << tx_out.second << endl;
string output_pub_key = pod_to_hex(output_data.pubkey);
//cout << "output_pub_key: " << output_pub_key << endl;
vector<string> found_outputs;
mylmdb->search(output_pub_key,
found_outputs,
"output_public_keys");
//cout << "found_outputs.size(): " << found_outputs.size() << endl;
all_possible_tx_hashes.push_back(
make_pair("output_public_keys_based_on_global_idx",
found_outputs));
}
catch(boost::bad_lexical_cast &e)
{
cerr << "Cant cast global_idx string: "
<< search_text.substr(4) << endl;
}
} // if (search_for_global_output_idx)
// seach for output using output amount index and amount
if (search_for_amount_output_idx)
{
try
{
string str_to_split = search_text.substr(4);
vector<string> string_parts;
boost::split(string_parts, str_to_split,
boost::is_any_of("-"));
if (string_parts.size() != 2)
{
throw;
}
uint64_t amount_idx = boost::lexical_cast<uint64_t>(
string_parts[0]);
uint64_t amount = static_cast<uint64_t>
(boost::lexical_cast<double>(
string_parts[1]) * 1e12);
//cout << "amount_idx: " << amount_idx << endl;
//cout << "amount: " << amount << endl;
output_data_t output_data;
try
{
// get info about output of a given global index
output_data = core_storage->get_db()
.get_output_key(
amount, amount_idx);
}
catch (const OUTPUT_DNE& e)
{
string out_msg = fmt::format(
"Output with amount {:d} and index {:d} does not exist!",
amount, amount_idx
);
cerr << out_msg << endl;
return out_msg;
}
string output_pub_key = pod_to_hex(output_data.pubkey);
//cout << "output_pub_key: " << output_pub_key << endl;
vector<string> found_outputs;
mylmdb->search(output_pub_key,
found_outputs,
"output_public_keys");
//cout << "found_outputs.size(): " << found_outputs.size() << endl;
all_possible_tx_hashes.push_back(
make_pair("output_public_keys_based_on_amount_idx",
found_outputs));
}
catch(boost::bad_lexical_cast& e)
{
cerr << "Cant parse amout index and amout string: "
<< search_text.substr(4) << endl;
}
catch(const OUTPUT_DNE& e)
{
cerr << "Output not found in the blockchain: "
<< search_text.substr(4) << endl;
return(string("Output not found in the blockchain: ")
+ search_text.substr(4));
}
} // if (search_for_amount_output_idx)
}
catch (const lmdb::runtime_error& e)
{
cerr << "Error opening/accessing custom lmdb database: "
<< e.what() << endl;
}
catch (std::exception& e)
{
cerr << "Error opening/accessing custom lmdb database: "
<< e.what() << endl;
}
result_html = show_search_results(search_text, all_possible_tx_hashes);
return result_html;
}
string
show_address_details(const account_public_address& address, bool testnet = false)
{
string address_str = xmreg::print_address(address, testnet);
string pub_viewkey_str = fmt::format("{:s}", address.m_view_public_key);
string pub_spendkey_str = fmt::format("{:s}", address.m_spend_public_key);
mstch::map context {
{"xmr_address" , REMOVE_HASH_BRAKETS(address_str)},
{"public_viewkey" , REMOVE_HASH_BRAKETS(pub_viewkey_str)},
{"public_spendkey" , REMOVE_HASH_BRAKETS(pub_spendkey_str)},
{"is_integrated_addr" , false},
{"testnet" , testnet},
};
// read address.html
string address_html = xmreg::read(TMPL_ADDRESS);
// add header and footer
string full_page = get_full_page(address_html);
add_css_style(context);
// render the page
return mstch::render(full_page, context);
}
// ;
string
show_integrated_address_details(const account_public_address& address,
const crypto::hash8& encrypted_payment_id,
bool testnet = false)
{
string address_str = xmreg::print_address(address, testnet);
string pub_viewkey_str = fmt::format("{:s}", address.m_view_public_key);
string pub_spendkey_str = fmt::format("{:s}", address.m_spend_public_key);
string enc_payment_id_str = fmt::format("{:s}", encrypted_payment_id);
mstch::map context {
{"xmr_address" , REMOVE_HASH_BRAKETS(address_str)},
{"public_viewkey" , REMOVE_HASH_BRAKETS(pub_viewkey_str)},
{"public_spendkey" , REMOVE_HASH_BRAKETS(pub_spendkey_str)},
{"encrypted_payment_id" , REMOVE_HASH_BRAKETS(enc_payment_id_str)},
{"is_integrated_addr" , true},
{"testnet" , testnet},
};
// read address.html
string address_html = xmreg::read(TMPL_ADDRESS);
add_css_style(context);
// add header and footer
string full_page = get_full_page(address_html);
// render the page
return mstch::render(full_page, context);
}
map<string, vector<string>>
search_txs(vector<transaction> txs, const string& search_text)
{
map<string, vector<string>> tx_hashes;
// initlizte the map with empty results
tx_hashes["key_images"] = {};
tx_hashes["tx_public_keys"] = {};
tx_hashes["payments_id"] = {};
tx_hashes["encrypted_payments_id"] = {};
tx_hashes["output_public_keys"] = {};
for (const transaction& tx: txs)
{
tx_details txd = get_tx_details(tx);
string tx_hash_str = pod_to_hex(txd.hash);
// check if any key_image matches the search_text
vector<txin_to_key>::iterator it1 =
find_if(begin(txd.input_key_imgs), end(txd.input_key_imgs),
[&](const txin_to_key& key_img)
{
return pod_to_hex(key_img.k_image) == search_text;
});
if (it1 != txd.input_key_imgs.end())
{
tx_hashes["key_images"].push_back(tx_hash_str);
}
// check if tx_public_key matches the search_text
if (pod_to_hex(txd.pk) == search_text)
{
tx_hashes["tx_public_keys"].push_back(tx_hash_str);
}
// check if payments_id matches the search_text
if (pod_to_hex(txd.payment_id) == search_text)
{
tx_hashes["payment_id"].push_back(tx_hash_str);
}
// check if encrypted_payments_id matches the search_text
if (pod_to_hex(txd.payment_id8) == search_text)
{
tx_hashes["encrypted_payments_id"].push_back(tx_hash_str);
}
// check if output_public_keys matche the search_text
vector<pair<txout_to_key, uint64_t>>::iterator it2 =
find_if(begin(txd.output_pub_keys), end(txd.output_pub_keys),
[&](const pair<txout_to_key, uint64_t>& tx_out_pk)
{
return pod_to_hex(tx_out_pk.first.key) == search_text;
});
if (it2 != txd.output_pub_keys.end())
{
tx_hashes["output_public_keys"].push_back(tx_hash_str);
}
}
return tx_hashes;
}
vector<transaction>
get_mempool_txs()
{
// get mempool data using rpc call
vector<pair<tx_info, transaction>> mempool_data = search_mempool();
// output only transactions
vector<transaction> mempool_txs;
mempool_txs.reserve(mempool_data.size());
for (const auto& a_pair: mempool_data)
{
mempool_txs.push_back(a_pair.second);
}
return mempool_txs;
}
string
show_search_results(const string& search_text,
const vector<pair<string, vector<string>>>& all_possible_tx_hashes)
{
// initalise page tempate map with basic info about blockchain
mstch::map context {
{"testnet" , testnet},
{"search_text" , search_text},
{"no_results" , true},
{"to_many_results", false}
};
for (const pair<string, vector<string>>& found_txs: all_possible_tx_hashes)
{
// define flag, e.g., has_key_images denoting that
// tx hashes for key_image searched were found
context.insert({"has_" + found_txs.first, !found_txs.second.empty()});
// cout << "found_txs.first: " << found_txs.first << endl;
// insert new array based on what we found to context if not exist
pair< mstch::map::iterator, bool> res
= context.insert({found_txs.first, mstch::array{}});
if (!found_txs.second.empty())
{
uint64_t tx_i {0};
// for each found tx_hash, get the corresponding tx
// and its details, and put into mstch for rendering
for (const string& tx_hash: found_txs.second)
{
crypto::hash tx_hash_pod;
epee::string_tools::hex_to_pod(tx_hash, tx_hash_pod);
transaction tx;
uint64_t blk_height {0};
int64_t blk_timestamp;
// first check in the blockchain
if (mcore->get_tx(tx_hash, tx))
{
// get timestamp of the tx's block
blk_height = core_storage
->get_db().get_tx_block_height(tx_hash_pod);
blk_timestamp = core_storage
->get_db().get_block_timestamp(blk_height);
}
else
{
// check in mempool if tx_hash not found in the
// blockchain
vector<pair<tx_info, transaction>> found_txs
= search_mempool(tx_hash_pod);
if (!found_txs.empty())
{
// there should be only one tx found
tx = found_txs.at(0).second;
}
else
{
return string("Cant get tx of hash (show_search_results): " + tx_hash);
}
// tx in mempool have no blk_timestamp
// but can use their recive time
blk_timestamp = found_txs.at(0).first.receive_time;
}
tx_details txd = get_tx_details(tx);
mstch::map txd_map = txd.get_mstch_map();
// add the timestamp to tx mstch map
txd_map.insert({"timestamp", xmreg::timestamp_to_str(blk_timestamp)});
boost::get<mstch::array>((res.first)->second).push_back(txd_map);
// dont show more than 500 results
if (tx_i > 500)
{
context["to_many_results"] = true;
break;
}
++tx_i;
}
// if found something, set this flag to indicate this fact
context["no_results"] = false;
}
}
// read search_results.html
string search_results_html = xmreg::read(TMPL_SEARCH_RESULTS);
// add header and footer
string full_page = get_full_page(search_results_html);
// read partial for showing details of tx(s) found
map<string, string> partials {
{"tx_table_head", xmreg::read(string(TMPL_PARIALS_DIR) + "/tx_table_header.html")},
{"tx_table_row" , xmreg::read(string(TMPL_PARIALS_DIR) + "/tx_table_row.html")}
};
add_css_style(context);
// render the page
return mstch::render(full_page, context, partials);
}
private:
void
mark_real_mixins_on_timescales(
const vector<uint64_t>& real_output_indices,
mstch::map& tx_context)
{
// mark real mixing in the mixins timescale graph
mstch::array& mixins_timescales
= boost::get<mstch::array>(tx_context["timescales"]);
uint64_t idx {0};
for (mstch::node& timescale_node: mixins_timescales)
{
string& timescale = boost::get<string>(
boost::get<mstch::map>(timescale_node)["timescale"]
);
// claculated number of timescale points
// due to resolution, no of points might be lower than no of mixins
size_t no_points = std::count(timescale.begin(), timescale.end(), '*');
size_t point_to_find = real_output_indices.at(idx);
// adjust point to find based on total number of points
if (point_to_find >= no_points)
point_to_find = no_points - 1;
boost::iterator_range<string::iterator> r
= boost::find_nth(timescale, "*", point_to_find);
*(r.begin()) = 'R';
++idx;
}
}
mstch::map
construct_tx_context(transaction tx, uint with_ring_signatures = 0)
{
tx_details txd = get_tx_details(tx);
crypto::hash tx_hash = txd.hash;
string tx_hash_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", tx_hash));
uint64_t tx_blk_height {0};
bool tx_blk_found {false};
if (core_storage->have_tx(tx_hash))
{
tx_blk_height = core_storage->get_db().get_tx_block_height(tx_hash);
tx_blk_found = true;
}
// get block cointaining this tx
block blk;
if (tx_blk_found && !mcore->get_block_by_height(tx_blk_height, blk))
{
cerr << "Cant get block: " << tx_blk_height << endl;
}
string tx_blk_height_str {"N/A"};
// tx age
pair<string, string> age;
string blk_timestamp {"N/A"};
if (tx_blk_found)
{
// calculate difference between tx and server timestamps
age = get_age(server_timestamp, blk.timestamp, FULL_AGE_FORMAT);
blk_timestamp = xmreg::timestamp_to_str(blk.timestamp);
tx_blk_height_str = std::to_string(tx_blk_height);
}
// payments id. both normal and encrypted (payment_id8)
string pid_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", txd.payment_id));
string pid8_str = REMOVE_HASH_BRAKETS(fmt::format("{:s}", txd.payment_id8));
string tx_json = obj_to_json_str(tx);
// initalise page tempate map with basic info about blockchain
mstch::map context {
{"testnet" , testnet},
{"tx_hash" , tx_hash_str},
{"tx_prefix_hash" , pod_to_hex(txd.prefix_hash)},
{"tx_pub_key" , REMOVE_HASH_BRAKETS(fmt::format("{:s}", txd.pk))},
{"blk_height" , tx_blk_height_str},
{"tx_size" , fmt::format("{:0.4f}",
static_cast<double>(txd.size) / 1024.0)},
{"tx_fee" , xmreg::xmr_amount_to_str(txd.fee)},
{"tx_version" , fmt::format("{:d}", txd.version)},
{"blk_timestamp" , blk_timestamp},
{"blk_timestamp_uint" , blk.timestamp},
{"delta_time" , age.first},
{"inputs_no" , txd.input_key_imgs.size()},
{"has_inputs" , !txd.input_key_imgs.empty()},
{"outputs_no" , txd.output_pub_keys.size()},
{"has_payment_id" , txd.payment_id != null_hash},
{"has_payment_id8" , txd.payment_id8 != null_hash8},
{"confirmations" , txd.no_confirmations},
{"payment_id" , pid_str},
{"payment_id8" , pid8_str},
{"extra" , txd.get_extra_str()},
{"with_ring_signatures" , static_cast<bool>(
with_ring_signatures)},
{"tx_json" , tx_json},
{"is_ringct" , (tx.version > 1)},
{"has_error" , false},
{"error_msg" , string("")},
{"have_raw_tx" , false},
};
string server_time_str = xmreg::timestamp_to_str(server_timestamp, "%F");
mstch::array inputs = mstch::array{};
uint64_t input_idx {0};
uint64_t inputs_xmr_sum {0};
vector<vector<uint64_t>> mixin_timestamp_groups;
// make timescale maps for mixins in input
for (const txin_to_key& in_key: txd.input_key_imgs)
{
// get absolute offsets of mixins
std::vector<uint64_t> absolute_offsets
= cryptonote::relative_output_offsets_to_absolute(
in_key.key_offsets);
// get public keys of outputs used in the mixins that match to the offests
std::vector<cryptonote::output_data_t> outputs;
try
{
core_storage->get_db().get_output_key(in_key.amount,
absolute_offsets,
outputs);
}
catch (const OUTPUT_DNE& e)
{
string out_msg = fmt::format(
"Outputs with amount {:d} do not exist and indexes ",
in_key.amount
);
for (auto offset: absolute_offsets)
out_msg += ", " + to_string(offset);
out_msg += " don't exist!";
cerr << out_msg << endl;
context["has_error"] = true;
context["error_msg"] = out_msg;
return context;
}
inputs.push_back(mstch::map {
{"in_key_img" , REMOVE_HASH_BRAKETS(fmt::format("{:s}", in_key.k_image))},
{"amount" , xmreg::xmr_amount_to_str(in_key.amount)},
{"input_idx" , fmt::format("{:02d}", input_idx)},
{"mixins" , mstch::array{}},
{"ring_sigs" , txd.get_ring_sig_for_input(input_idx)},
{"already_spent", false} // placeholder for later
});
inputs_xmr_sum += in_key.amount;
vector<uint64_t> mixin_timestamps;
// get reference to mixins array created above
mstch::array& mixins = boost::get<mstch::array>(
boost::get<mstch::map>(inputs.back())["mixins"]);
// mixin counter
size_t count = 0;
// for each found output public key find its block to get timestamp
for (const uint64_t &i: absolute_offsets)
{
// get basic information about mixn's output
cryptonote::output_data_t output_data = outputs.at(count);
tx_out_index tx_out_idx;
try
{
// get pair pair<crypto::hash, uint64_t> where first is tx hash
// and second is local index of the output i in that tx
tx_out_idx = core_storage->get_db()
.get_output_tx_and_index(in_key.amount, i);
}
catch (const OUTPUT_DNE& e)
{
string out_msg = fmt::format(
"Output with amount {:d} and index {:d} does not exist!",
in_key.amount, i
);
cerr << out_msg << endl;
context["has_error"] = true;
context["error_msg"] = out_msg;
return context;
}
// get block of given height, as we want to get its timestamp
cryptonote::block blk;
if (!mcore->get_block_by_height(output_data.height, blk))
{
cerr << "- cant get block of height: " << output_data.height << endl;
context["has_error"] = true;
context["error_msg"] = fmt::format("- cant get block of height: {}",
output_data.height);
}
// get age of mixin relative to server time
pair<string, string> mixin_age = get_age(server_timestamp,
blk.timestamp,
FULL_AGE_FORMAT);
// get mixin transaction
transaction mixin_tx;
if (!mcore->get_tx(tx_out_idx.first, mixin_tx))
{
cerr << "Cant get tx: " << tx_out_idx.first << endl;
context["has_error"] = true;
context["error_msg"] = fmt::format("Cant get tx: {:s}", tx_out_idx.first);
}
// mixin tx details
tx_details mixin_txd = get_tx_details(mixin_tx, true);
mixins.push_back(mstch::map {
{"mix_blk" , fmt::format("{:08d}", output_data.height)},
{"mix_pub_key" , REMOVE_HASH_BRAKETS(fmt::format("{:s}",
output_data.pubkey))},
{"mix_tx_hash" , REMOVE_HASH_BRAKETS(fmt::format("{:s}",
tx_out_idx.first))},
{"mix_out_indx" , fmt::format("{:d}", tx_out_idx.second)},
{"mix_timestamp" , xmreg::timestamp_to_str(blk.timestamp)},
{"mix_age" , mixin_age.first},
{"mix_mixin_no" , mixin_txd.mixin_no},
{"mix_inputs_no" , mixin_txd.input_key_imgs.size()},
{"mix_outputs_no" , mixin_txd.output_pub_keys.size()},
{"mix_age_format" , mixin_age.second},
{"mix_idx" , fmt::format("{:02d}", count)},
{"mix_is_it_real" , false}, // a placeholder for future
});
// get mixin timestamp from its orginal block
mixin_timestamps.push_back(blk.timestamp);
++count;
} // for (const uint64_t &i: absolute_offsets)
mixin_timestamp_groups.push_back(mixin_timestamps);
input_idx++;
} // for (const txin_to_key& in_key: txd.input_key_imgs)
uint64_t min_mix_timestamp;
uint64_t max_mix_timestamp;
pair<mstch::array, double> mixins_timescales
= construct_mstch_mixin_timescales(
mixin_timestamp_groups,
min_mix_timestamp,
max_mix_timestamp
);
context["inputs_xmr_sum"] = xmreg::xmr_amount_to_str(inputs_xmr_sum);
context["server_time"] = server_time_str;
context["inputs"] = inputs;
context["min_mix_time"] = xmreg::timestamp_to_str(min_mix_timestamp);
context["max_mix_time"] = xmreg::timestamp_to_str(max_mix_timestamp);
context["timescales"] = mixins_timescales.first;
context["timescales_scale"] = fmt::format("{:0.2f}",
mixins_timescales.second / 3600.0 / 24.0); // in days
// get indices of outputs in amounts tables
vector<uint64_t> out_amount_indices;
try
{
uint64_t tx_index;
if (core_storage->get_db().tx_exists(txd.hash, tx_index))
{
out_amount_indices = core_storage->get_db()
.get_tx_amount_output_indices(tx_index);
}
else
{
cerr << "get_tx_outputs_gindexs failed to find transaction with id = " << txd.hash;
}
}
catch(const exception& e)
{
cerr << e.what() << endl;
}
uint64_t output_idx {0};
mstch::array outputs;
uint64_t outputs_xmr_sum {0};
for (pair<txout_to_key, uint64_t>& outp: txd.output_pub_keys)
{
// total number of ouputs in the blockchain for this amount
uint64_t num_outputs_amount = core_storage->get_db()
.get_num_outputs(outp.second);
string out_amount_index_str {"N/A"};
// outputs in tx in them mempool dont have yet global indices
// thus for them, we print N/A
if (!out_amount_indices.empty())
{
out_amount_index_str = fmt::format("{:d}",
out_amount_indices.at(output_idx));
}
outputs_xmr_sum += outp.second;
outputs.push_back(mstch::map {
{"out_pub_key" , REMOVE_HASH_BRAKETS(fmt::format("{:s}", outp.first.key))},
{"amount" , xmreg::xmr_amount_to_str(outp.second)},
{"amount_idx" , out_amount_index_str},
{"num_outputs" , fmt::format("{:d}", num_outputs_amount)},
{"output_idx" , fmt::format("{:02d}", output_idx++)}
});
}
context["outputs_xmr_sum"] = xmreg::xmr_amount_to_str(outputs_xmr_sum);
context["outputs"] = outputs;
return context;
}
pair<mstch::array, double>
construct_mstch_mixin_timescales(
const vector<vector<uint64_t>>& mixin_timestamp_groups,
uint64_t& min_mix_timestamp,
uint64_t& max_mix_timestamp
)
{
mstch::array mixins_timescales;
double timescale_scale {0.0}; // size of one '_' in days
// initialize with some large and some numbers
min_mix_timestamp = server_timestamp*2L;
max_mix_timestamp = 0;
// find min and maximum timestamps
for (const vector<uint64_t>& mixn_timestamps : mixin_timestamp_groups)
{
uint64_t min_found = *min_element(mixn_timestamps.begin(), mixn_timestamps.end());
uint64_t max_found = *max_element(mixn_timestamps.begin(), mixn_timestamps.end());
if (min_found < min_mix_timestamp)
min_mix_timestamp = min_found;
if (max_found > max_mix_timestamp)
max_mix_timestamp = max_found;
}
min_mix_timestamp -= 3600;
max_mix_timestamp += 3600;
// make timescale maps for mixins in input with adjusted range
for (auto& mixn_timestamps : mixin_timestamp_groups)
{
// get mixins in time scale for visual representation
pair<string, double> mixin_times_scale = xmreg::timestamps_time_scale(
mixn_timestamps,
max_mix_timestamp,
170,
min_mix_timestamp);
// save resolution of mixin timescales
timescale_scale = mixin_times_scale.second;
// save the string timescales for later to show
mixins_timescales.push_back(mstch::map {
{"timescale", mixin_times_scale.first}
});
}
return make_pair(mixins_timescales, timescale_scale);
}
tx_details
get_tx_details(const transaction& tx, bool coinbase = false)
{
tx_details txd;
// get tx hash
txd.hash = get_transaction_hash(tx);
// get tx prefix hash
txd.prefix_hash = get_transaction_prefix_hash(tx);
// get tx public key from extra
// this check if there are two public keys
// due to previous bug with sining txs:
// https://github.com/monero-project/monero/pull/1358/commits/7abfc5474c0f86e16c405f154570310468b635c2
txd.pk = xmreg::get_tx_pub_key_from_received_outs(tx);
// sum xmr in inputs and ouputs in the given tx
txd.xmr_inputs = sum_money_in_inputs(tx);
txd.xmr_outputs = sum_money_in_outputs(tx);
// get mixin number
txd.mixin_no = get_mixin_no(tx);
txd.fee = 0;
transaction tx_copy = tx;
txd.json_representation = obj_to_json_str(tx_copy);
if (!coinbase && tx.vin.size() > 0)
{
// check if not miner tx
// i.e., for blocks without any user transactions
if (tx.vin.at(0).type() != typeid(txin_gen))
{
// get tx fee
txd.fee = get_tx_fee(tx);
}
}
get_payment_id(tx, txd.payment_id, txd.payment_id8);
//blobdata tx_blob = t_serializable_object_to_blob(tx);
// get tx size in bytes
txd.size = get_object_blobsize(tx);
//txd.size = tx_blob.size();
//txd.size = core_storage->get_db().get_block_size();
txd.input_key_imgs = get_key_images(tx);
txd.output_pub_keys = get_ouputs(tx);
txd.extra = tx.extra;
// get tx signatures for each input
txd.signatures = tx.signatures;
// get tx version
txd.version = tx.version;
// get unlock time
txd.unlock_time = tx.unlock_time;
txd.no_confirmations = 0;
if (core_storage->have_tx(txd.hash))
{
txd.blk_height = core_storage->get_db().get_tx_block_height(txd.hash);
// get the current blockchain height. Just to check
uint64_t bc_height =
xmreg::MyLMDB::get_blockchain_height(mcore->get_blkchain_path()) - 1;
txd.no_confirmations = bc_height - (txd.blk_height - 1);
}
return txd;
}
void
clean_post_data(string& raw_tx_data)
{
// remove white characters
boost::trim(raw_tx_data);
boost::erase_all(raw_tx_data, "\r\n");
boost::erase_all(raw_tx_data, "\n");
// remove header and footer from base64 data
// produced by certutil.exe in windows
boost::erase_all(raw_tx_data, "-----BEGIN CERTIFICATE-----");
boost::erase_all(raw_tx_data, "-----END CERTIFICATE-----");
}
bool
get_txs_from_timestamp_range(
uint64_t timestamp_start,
uint64_t timestamp_end,
const unique_ptr<xmreg::MyLMDB>& mylmdb,
vector<string>& out_txs)
{
vector<crypto::hash> txs_found;
if (mylmdb->get_txs_from_timestamp_range(
timestamp_start,
timestamp_end,
txs_found))
{
for (auto tf: txs_found)
{
out_txs.push_back(pod_to_hex(tf));
}
return true;
}
return false;
}
vector<pair<tx_info, transaction>>
search_mempool(crypto::hash tx_hash = null_hash)
{
vector<pair<tx_info, transaction>> found_txs;
// get txs in the mempool
std::vector<tx_info> mempool_txs;
if (!rpc.get_mempool(mempool_txs))
{
cerr << "Getting mempool failed " << endl;
return found_txs;
}
// if we have tx blob disply more.
// this info can also be obtained from json that is
// normally returned by the RCP call (see below in detailed view)
if (HAVE_TX_BLOB)
{
// get tx_blob if exists
//string tx_blob = get_tx_blob(_tx_info);
for (size_t i = 0; i < mempool_txs.size(); ++i)
{
// get transaction info of the tx in the mempool
tx_info _tx_info = mempool_txs.at(i);
// get tx_blob if exists
string tx_blob = get_tx_blob(_tx_info);
if (tx_blob.empty())
{
cerr << "tx_blob is empty. Probably its not a custom deamon." << endl;
continue;
}
// pare tx_blob into tx class
transaction tx;
if (!parse_and_validate_tx_from_blob(
tx_blob, tx))
{
cerr << "Cant get tx from blob" << endl;
continue;
}
// if we dont provide tx_hash, just get all txs in
// the mempool
if (tx_hash != null_hash)
{
// check if tx hash matches, and if yes, save it for return
if (tx_hash == get_transaction_hash(tx))
{
found_txs.push_back(make_pair(_tx_info, tx));
break;
}
}
else
{
found_txs.push_back(make_pair(_tx_info, tx));
}
}
}
else
{
// if dont have tx_blob member, construct tx
// from json obtained from the rpc call
for (size_t i = 0; i < mempool_txs.size(); ++i)
{
// get transaction info of the tx in the mempool
tx_info _tx_info = mempool_txs.at(i);
crypto::hash mem_tx_hash = null_hash;
if (hex_to_pod(_tx_info.id_hash, mem_tx_hash))
{
transaction tx;
//cout << "\n\n\n_tx_info.id_hash:" << _tx_info.id_hash << endl;
if (!xmreg::make_tx_from_json(_tx_info.tx_json, tx))
{
cerr << "Cant make tx from _tx_info.tx_json" << endl;
continue;
}
if (_tx_info.id_hash != pod_to_hex(get_transaction_hash(tx)))
{
cerr << "Hash of reconstructed tx from json does not match "
"what we should get!"
<< endl;
continue;
}
if (tx_hash == mem_tx_hash)
{
found_txs.push_back(make_pair(_tx_info, tx));
break;
}
}
}
}
return found_txs;
}
pair<string, string>
get_age(uint64_t timestamp1, uint64_t timestamp2, bool full_format = 0)
{
pair<string, string> age_pair;
// calculate difference between server and block timestamps
array<size_t, 5> delta_time = timestamp_difference(
timestamp1, timestamp2);
// default format for age
string age_str = fmt::format("{:02d}:{:02d}:{:02d}",
delta_time[2], delta_time[3],
delta_time[4]);
string age_format {"[h:m:s]"};
// if have days or years, change age format
if (delta_time[0] > 0 || full_format == true)
{
age_str = fmt::format("{:02d}:{:03d}:{:02d}:{:02d}:{:02d}",
delta_time[0], delta_time[1], delta_time[2],
delta_time[3], delta_time[4]);
age_format = string("[y:d:h:m:s]");
}
else if (delta_time[1] > 0)
{
age_str = fmt::format("{:02d}:{:02d}:{:02d}:{:02d}",
delta_time[1], delta_time[2],
delta_time[3], delta_time[4]);
age_format = string("[d:h:m:s]");
}
age_pair.first = age_str;
age_pair.second = age_format;
return age_pair;
}
string
get_full_page(string& middle)
{
return xmreg::read(TMPL_HEADER)
+ middle
+ get_footer();
}
string
get_footer()
{
// set last git commit date based on
// autogenrated version.h during compilation
static const mstch::map footer_context {
{"last_git_commit_hash", string {GIT_COMMIT_HASH}},
{"last_git_commit_date", string {GIT_COMMIT_DATETIME}}
};
string footer_html = mstch::render(xmreg::read(TMPL_FOOTER), footer_context);
return footer_html;
}
void
add_css_style(mstch::map& context)
{
context["css_styles"] = mstch::lambda{[&](const std::string& text) -> mstch::node {
return this->css_styles;
}};
}
};
}
#endif //CROWXMR_PAGE_H
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