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assets_js_bitrequest_monitors.js
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$(document).ready(function() {
// ** Core Request Management: **
update_request_trigger();
//scan_pending_requests
//process_request_updates
//process_transaction_data
//finalize_request_state
// ** Network and API Handling: **
//route_network_request
//route_api_request
//route_crypto_api
//route_blockchain_rpc
//process_scan_results
// ** Error Handling: **
//handle_scan_failure
//mark_network_failure
//handle_api_failure
//show_api_error
//extract_error_details
//fail_dialogs
//no_results
// ** API Management: **
//get_next_layer2_api
//get_next_rpc
//switch_rpc_endpoint
//update_api_source
//display_api_source
// ** Transaction Processing: **
//create_transaction_item
//wrap_historic_data
//format_transaction_details
//validate_payment_amounts
//update_transaction_count
// ** Historical Data Processing: **
//init_fiat_history
//fetch_fiat_rates
//get_historic_fiatprice_api_payload
//form_date
//fetch_crypto_rates
//get_payload_historic_coingecko
//get_payload_historic_coinpaprika
//get_payload_historic_coincodex
//cx_date
//match_price_timestamps
//get_historic_object_coingecko
//get_historic_object_coinpaprika
//get_historic_object_coincodex
// ** Utility Functions: **
//is_scanning
//clearscan
//check_api
//tx_data
});
// ** Fetch incoming transactions **
// Attaches event listener to trigger request state updates when .requestsbttn.self is clicked
function update_request_trigger() {
$(document).on("click", ".requestsbttn .self", function() {
if (is_scanning()) return
scan_pending_requests(true);
})
}
// Triggers request state updates with delay if URL parameter indicates requests page
function refresh_request_states() {
const url_params = get_urlparameters();
if (url_params.xss) {
return
}
if (url_params.p === "requests") { // only trigger on "requests page"
setTimeout(function() {
scan_pending_requests("delay");
}, 300);
}
}
// Initializes request state update process by resetting global state and marking active requests
function scan_pending_requests(trigger, active_req_list) {
if (glob_const.offline === true) {
return // do nothing when offline
}
glob_let.rpc_attempts = {}, // reset cache and index
glob_let.proxy_attempts = {},
glob_let.tx_list = [], // reset transaction index
glob_let.statuspush = [],
glob_let.l2_fetched = {};
const requests = active_req_list || $("#requestlist .rqli").filter(function() {
return $(this).data("pending") !== "unknown";
});
requests.addClass("open");
process_request_updates(trigger, requests);
}
// Manages request state cache, updates, and UI synchronization based on transaction status
function process_request_updates(trigger, active_requests) {
glob_let.apikey_fails = false; // reset apikey fails
const request_data = $("#requestlist li.rqli.open").first().data();
if (request_data) {
if (trigger === "loop") {
process_transaction_data(request_data);
return
}
const is_delayed = trigger === "delay",
status_cache = br_get_session("txstatus", true);
if (status_cache) {
const cache_age = now() - status_cache.timestamp,
request_states = status_cache.requeststates;
if (cache_age > 30000 || empty_obj(request_states)) { //check if cached crypto rates are expired (check every 30 seconds on page refresh or when opening request page)
active_requests.addClass("scan");
process_transaction_data(request_data, is_delayed);
return
}
if (trigger === true) {
return
}
// Only update on page refresh
// parse cached transaction data
$.each(request_states, function(index, state) {
const current_list = $("#" + state.requestid),
current_data = current_list.data();
if (current_data) {
const pending_status = current_data.pending;
if (pending_status === "scanning" || pending_status === "polling") {
const status_panel = current_list.find(".pmetastatus"),
transaction_list = current_list.find(".transactionlist");
status_panel.text(state.status);
transaction_list.empty();
add_historical_data(transaction_list, state.transactions);
current_list.addClass("pmstatloaded");
}
}
});
return
}
active_requests.addClass("scan");
process_transaction_data(request_data, is_delayed);
return
}
if (!empty_obj(glob_let.statuspush)) {
const tx_states = br_get_session("txstatus", true);
if (tx_states) {
const txs = tx_states.requeststates,
txid = sha_sub(JSON.stringify(txs), 15), // hash arrays to compare for changes
new_tx_id = sha_sub(JSON.stringify(glob_let.statuspush), 15);
if (txid !== new_tx_id) { // check for updates
// Only save on status updates
save_requests();
}
} else {
save_requests();
}
const status_object = {
"timestamp": now(),
"requeststates": glob_let.statuspush
};
br_set_session("txstatus", status_object, true);
clearscan();
}
}
// Processes transaction data and initiates API calls with rate limiting protection
function process_transaction_data(rd, dl) {
const rdo = tx_data(rd);
if (rdo.pending === "scanning" || rdo.pending === "polling") {
if (dl) {
const delay = 10000,
monitor_timer_cache = br_get_session("monitor_timer"),
monitor_timer = monitor_timer_cache ? parseInt(monitor_timer_cache, 10) : delay,
time_since_last = now() - monitor_timer;
if (time_since_last < delay) { // prevent over scanning
play_audio(glob_const.funk);
clearscan();
return
}
br_set_session("monitor_timer", now());
}
const api_info = check_api(rd.payment),
api_data = api_info.data,
current_list = rdo.thislist
current_list.addClass("loading").removeClass("pmstatloaded");
route_network_request(rd, api_data, rdo);
return
}
const transaction_list = rdo.transactionlist;
if (transaction_list) {
transaction_list.find("li").each(function(index) {
glob_let.tx_list.push($(this).data("txhash")); //index transaction id's
});
finalize_request_state(rdo);
}
}
// Processes final state updates and transaction data after API request completion
function finalize_request_state(rdo) {
const src = rdo.source;
if (!src === "requests") {
return
}
// src === "requests"
const current_list = rdo.thislist;
if (current_list && current_list.hasClass("scan")) {
current_list.removeClass("scan open loading").addClass("pmstatloaded");
const request_id = rdo.requestid,
transaction_list = rdo.transactionlist,
transaction_items = transaction_list.children("li");
if (transaction_items.length) {
const transaction_push = [];
transaction_items.each(function() {
const current_node = $(this),
current_data = current_node.data();
if (current_data) {
transaction_push.push(current_data);
if (current_node.attr("title")) {} else {
const history_string = format_transaction_details(current_data);
if (history_string) {
current_node.append(wrap_historic_data(history_string)).attr("title", history_string);
}
}
}
});
const status_panel = current_list.find(".pmetastatus"),
status_box = {
"requestid": request_id,
"status": status_panel.attr("data-count"),
"transactions": transaction_push
};
glob_let.statuspush.push(status_box);
} else {
const status_box = {
"requestid": request_id,
"status": 0
};
glob_let.statuspush.push(status_box);
}
process_request_updates("loop");
}
}
// ** Network and API Handling: **
// Routes requests to appropriate handlers based on payment type and network availability
function route_network_request(rd, api_data, rdo) {
if (api_data) {
const src = rdo.source;
if (src === "requests") {
const current_list = rdo.thislist;
if (current_list) {
current_list.removeClass("no_network");
const transaction_list = rdo.transactionlist;
if (transaction_list) {
transaction_list.empty();
}
}
}
if (rd.eth_layer2) {
route_layer2_api_request(rd, rdo);
return
}
if (rd.lightning && rdo.source === "requests") {
process_lightning_payment(rd, api_data, rdo);
return
}
route_api_request(rd, api_data, rdo);
return
}
console.error("error", "no api data available");
}
// Tracks API attempts and routes to specific API or RPC handlers based on availability
function route_api_request(rd, api_data, rdo) {
const request_id = rd.requestid || "";
glob_let.rpc_attempts[sha_sub(request_id + api_data.url, 15)] = true;
if (api_data.api) {
route_crypto_api(rd, api_data, rdo);
return
}
route_blockchain_rpc(rd, api_data, rdo);
}
// Routes cryptocurrency requests to specific API endpoints based on provider capabilities
function route_crypto_api(rd, api_data, rdo) {
const provider = api_data.name;
if (provider === "mymonero api" || provider === "blockchair_xmr") {
initialize_monero_scan(rd, api_data, rdo);
return
}
if (provider === "mempool.space") {
mempoolspace_rpc_init(rd, api_data, rdo, false);
return
}
if (provider === "blockchain.info") {
current_block_height(rd, api_data, rdo);
return
}
if (provider === "blockcypher") {
process_blockcypher_transactions(rd, api_data, rdo);
return
}
if (provider === "etherscan") {
scan_layer2_transactions(rd, api_data, rdo, null, 1);
return
}
if (provider === "ethplorer") {
process_ethereum_transactions(rd, api_data, rdo);
return
}
if (provider === "blockchair") {
blockchair_fetch(rd, api_data, rdo);
return
}
if (provider === "nimiq.watch" || provider === "mopsus.com") {
process_nimiq_transactions(rd, api_data, rdo);
return
}
if (rd.payment === "kaspa") {
initialize_kaspa_scan(rd, api_data, rdo);
return
}
if (provider === "dash.org") {
process_dash_transactions(rd, api_data, rdo);
return
}
finalize_request_state(rdo);
}
// Routes requests to appropriate RPC endpoints for Bitcoin, Ethereum, and Nano networks
function route_blockchain_rpc(rd, api_data, rdo) {
if (is_btchain(rd.payment)) {
current_block_height(rd, api_data, rdo);
return
}
if (rd.payment === "ethereum" || rd.erc20 === true) {
infura_txd_rpc(rd, api_data, rdo);
return
}
if (rd.payment === "nano") {
nano_rpc(rd, api_data, rdo);
return
}
finalize_request_state(rdo);
}
// Processes transaction scan results and handles Ethereum L2, confirmations, and UI updates based on match type
function process_scan_results(rd, api_data, rdo, tx_details, l2) {
glob_let.apikey_fails = false;
const src = rdo.source,
pending = rdo.pending
tx_hash = tx_details.txhash || rd.txhash;
if (src === "requests") {
const current_list = rdo.thislist;
if (current_list) {
current_list.removeClass("no_network");
}
}
if (tx_details) {
if (!tx_hash) return
const eth_layer2 = tx_details.eth_layer2;
if (src === "requests") {
if (eth_layer2) {
const has_l2 = rd.eth_layer2;
if (!rd.eth_layer2) {
// save eth l2 chain
rd.eth_layer2 = eth_layer2;
// block l2 scanning on match
glob_let.l2_fetched.id = rd.requestid;
glob_let.l2_fetched.l2 = eth_layer2;
return
}
}
validate_payment_amounts(rd, rdo);
return
}
if (pending === "scanning") {
const tx_exists = get_requestli("txhash", tx_hash); // scan pending tx's to prevent duplicates, mempool tx's don't have correct timestamps
if (tx_exists.length) {
// duplicate
return
}
if (eth_layer2) { // Eth layer 2
initialize_network_status(api_data, "paid");
return
}
if (src === "after_scan") {
glob_const.html.addClass("blurmain_payment");
glob_const.paymentpopup.addClass("active");
closeloader();
}
force_close_socket();
start_transaction_monitor(tx_details, api_data);
return
}
if (src === "tx_polling" || src === "l2_polling") {
if (block_overflow("polling")) return // prevent overflow
route_transaction_monitor(tx_details, api_data);
}
return
}
if (src === "requests") {
if (rd.erc20 || rd.payment === "ethereum") {
if (!l2) {
// Init eth layer 2's
route_layer2_api_request(rd, rdo);
return
}
}
finalize_request_state(rdo);
return
}
if (src === "after_scan") {
cancel_after_scan();
return
}
}
// ** Error Handling: **
// Processes API scan failures and routes to appropriate error handlers based on network type
function handle_scan_failure(error_obj, rd, api_data, rdo, l2) {
const src = rdo.source;
if (src === "requests") {
const current_list = rdo.thislist;
if (current_list) {
mark_network_failure(current_list, rdo.statuspanel);
}
}
if (api_data === "ln") {
extract_error_details(error_obj);
return
}
if (l2 && src === "l2_scanning") {
handle_socket_fails(api_data, rd.address, rdo.ping_id, l2);
return
}
handle_api_failure(rd, rdo, error_obj, api_data, l2);
return
}
// Updates UI elements to indicate network connectivity failure
function mark_network_failure(current_list, status_panel) {
current_list.addClass("no_network");
status_panel.attr("data-count", 0).text("0");
}
// Manages API failure scenarios by attempting fallback options and proxy switching
function handle_api_failure(rd, rdo, error_obj, api_data, l2) {
const src = rdo.source,
error_details = extract_error_details(error_obj),
timeout = rdo.timeout,
cache_time = rdo.cachetime;
function next_proxy(type) { // try next proxy
if (type === "api_fail" && (error_details.apikey || glob_let.apikey_fails)) return false // only try next proxy if api key is expired or missing
if (get_next_proxy()) {
if (src === "addr_polling") {
start_address_monitor(timeout, api_data, true);
return true
}
if (src === "tx_polling" || src === "l2_polling") {
if (request) {
start_transaction_monitor({
"txhash": request.txhash,
"setconfirmations": request.set_confirmations,
"eth_layer2": request.eth_layer2
}, api_data, true);
return true
}
}
if (l2) {
route_layer2_api_request(rd, rdo, api_data, l2);
return true
}
route_api_request(rd, api_data, rdo);
return true
}
return false
}
if (error_obj && error_obj.is_proxy) { // Try next proxy if proxy fails
if (next_proxy("proxy_fail")) {
return
}
no_results(rdo, src, api_data, error_details);
return
}
if (!api_data) {
show_api_error(false, error_details);
if (src === "requests") {
finalize_request_state(rdo);
return
}
stop_monitors();
socket_info(api_data, false);
notify(tl("websocketoffline"), 500000, "yes");
return
}
const request_id = rd.requestid,
payment = rd.payment;
if (l2) {
const next_l2_api = get_next_layer2_api(payment, api_data, request_id, l2);
if (next_l2_api) {
// Scan eth layer 2
if (src === "requests") {
route_layer2_api_request(rd, rdo, next_l2_api, l2);
return
}
if (src === "l2_polling") {
monitor_layer2_chain(l2, next_l2_api, true);
return
}
}
} else {
const next_rpc = get_next_rpc(payment, api_data, request_id);
if (next_rpc) {
switch_rpc_endpoint(rd, rdo, next_rpc, timeout);
return
}
if (rd.erc20 || payment === "ethereum") {
// Init eth layer 2
route_layer2_api_request(rd, rdo);
return
}
}
if (next_proxy("api_fail")) { // Try next proxy after trying all api's
return
}
no_results(rdo, src, api_data, error_details);
}
// Renders API error messages with optional API key management UI
function show_api_error(api_source, error_obj) {
if (!error_obj) return
const error_data = error_obj || {
"errorcode": null,
"errormessage": "errormessage"
};
if ($("#dialogbody .doselect").length) {
return
}
if (api_source) {
const key_fail = error_data.apikey === true,
error_message = error_data.errormessage,
error_code = error_data.errorcode ? "Error: " + error_data.errorcode : "",
api_button = key_fail ? "<div id='add_api' data-api='" + api_source + "' class='button'>" + tl("addapikey", {
"apisrc": api_source
}) + "</div>" : "",
try_other = api_source ? "<span id='proxy_dialog' class='ref'>" + tl("tryotherproxy") + "</span>" : "",
content = "<h2 class='icon-blocked'>" + error_code + "</h2><p class='doselect'><strong>" + tl("error") + ": " + error_message + "<br/><br/>" + try_other + "</p>" + api_button;
popdialog(content, "canceldialog");
}
}
// Extracts and normalizes error information from various API response formats
function extract_error_details(error_obj, string) {
if (!error_obj) return {
"errormessage": "unknown"
};
if (typeof error_obj === "string") {
return {
"errormessage": error_obj
}
}
const errorcode = error_obj.code ?? error_obj.status ?? error_obj.error_obj_code ?? 0,
errormessage = error_obj.message ?? error_obj.error_obj_message ?? error_obj.responseText ?? error_obj.statusText ?? error_obj.type ?? error_obj.error_obj ?? error_obj.result ?? null,
api_key_check = (errormessage && typeof errormessage === 'string') ? (errormessage.indexOf("API Key") > -1 || errormessage.indexOf("API calls limits have been reached") > -1 || errormessage.indexOf("Limits reached") > -1) : false,
api_key = (
errorcode === 101 || // fixer
errorcode === 402 || // blockchair
errorcode === 403 || errorcode === 1 || // ethplorer => invalid or missing API key
errorcode === 1001 || // coinmarketcap => invalid API key
errorcode === 1002 || // coinmarketcap => missing API key
api_key_check
),
error_details = {
errorcode,
errormessage,
api_key
},
is_proxy = (error_obj.is_proxy) ? "proxy " : "";
console.error("API " + is_proxy + "error:", error_details);
if (api_key) {
glob_let.apikey_fails = true;
}
if (errormessage) {
if (string) {
const err_string = (errorcode) ? errorcode + " : " : "";
return err_string + errormessage;
}
return error_details;
}
return false
}
// Triggers error dialogs for API-related failures
function fail_dialogs(api_source, error_obj) {
const error_details = extract_error_details(error_obj);
show_api_error(api_source, error_details);
}
// Displays error notifications when all API and proxy attempts fail
function no_results(rdo, src, api_data, error_details) {
const rpc_id = api_data.name || api_data.url || "unknown";
show_api_error(rpc_id, error_details);
if (src === "requests") {
finalize_request_state(rdo);
return
}
stop_monitors();
socket_info(api_data, false);
notify(tl("websocketoffline"), 500000, "yes");
}
// ** API Management: **
// Retrieves next available Layer 2 API endpoint while preventing overflow
function get_next_layer2_api(this_payment, api_data, request_id, l2) {
if (block_overflow("l2")) return false // prevent overflow
const api_settings = q_obj(get_coinsettings(this_payment), "layer2.options." + l2 + ".apis");
if (api_settings) {
const api_list = api_settings.apis,
list_length = api_list.length;
if (api_list && list_length) {
const current_index = api_list.findIndex(option => option.name === api_data.name),
next_api = api_list[(current_index + 1) % list_length],
rq_id = request_id || "";
if (glob_let.rpc_attempts[sha_sub(rq_id + next_api.url + l2, 15)] !== true) {
return next_api;
}
}
}
return false
}
// Retrieves next available RPC endpoint while preventing overflow
function get_next_rpc(this_payment, api_data, request_id, l2) {
if (block_overflow("rpc")) return false // prevent overflow
const api_settings = cs_node(this_payment, "apis", true);
if (api_settings) {
const api_list = api_settings.apis,
rpc_list = api_settings.options;
combined_list = (rpc_list && rpc_list.length) ? $.merge(api_list, rpc_list) : api_list,
list_length = combined_list.length;
if (combined_list && list_length) {
const next_index = combined_list.findIndex(option => option.url === api_data.url),
next_rpc = combined_list[(next_index + 1) % list_length],
rq_id = request_id || "",
l2_prefix = l2 || "";
if (glob_let.rpc_attempts[sha_sub(rq_id + next_rpc.url + l2_prefix, 15)] !== true) {
return next_rpc;
}
}
}
return false
}
// Routes requests to next available RPC endpoint based on request source type
function switch_rpc_endpoint(rd, rdo, next_rpc, timeout) {
const src = rdo.source;
if (src === "addr_polling") {
start_address_monitor(timeout, next_rpc, true);
return
}
if (src === "tx_polling") {
monitor_main_chain(rdo.txdat, next_rpc, true);
return
}
if (src === "after_scan") {
after_scan(rd, next_rpc, rdo);
return
}
route_api_request(rd, next_rpc, rdo);
}
// Updates request data with current API source information
function update_api_source(rdo, api_data) {
if (rdo.source === "requests") {
display_api_source(rdo.thislist, api_data);
}
}
// Updates UI with API source details and connection status indicators
function display_api_source(current_list, api_data) {
const api_url = api_data.url,
api_url_short = truncate_middle(api_url),
provider_name = api_data.name,
api_title = provider_name === "mempool.space" ? api_url : provider_name === "electrum" ? get_string_before_last_colon(api_url_short) : provider_name,
api_source = api_title || api_url_short;
current_list.data("source", api_source).find(".api_source").html("<span class='src_txt' title='" + api_url + "'>" + tl("source") + ": " + truncate_middle(api_source, 15, 18, 41) + "</span><span class='icon-wifi-off'></span><span class='icon-connection'></span>");
}
// ** Transaction Processing: **
// Creates and returns a formatted transaction list item with confirmation status
function create_transaction_item(tx_details, request_type) {
const tx_hash = tx_details.txhash;
if (!tx_hash) return null;
const crypto_value = tx_details.ccval,
crypto_value_rounded = trimdecimals(crypto_value, 6),
transaction_time = tx_details.transactiontime,
confirmations = tx_details.confirmations,
set_confirmations = tx_details.setconfirmations,
crypto_symbol = tx_details.ccsymbol,
formatted_crypto_symbol = crypto_symbol ? crypto_symbol.toUpperCase() : "",
is_lightning = tx_hash && tx_hash.slice(0, 9) === "lightning",
lightning_icon = is_lightning ? " <span class='icon-power'></span>" : "",
value_string = (is_lightning && !confirmations) ? "" : crypto_value_rounded + " " + formatted_crypto_symbol + lightning_icon,
formatted_date = transaction_time ? short_date(transaction_time) : "",
no_confirmation_requirement = set_confirmations === false,
instant_lock = tx_details.instant_lock,
is_confirmed = instant_lock || no_confirmation_requirement || (confirmations && confirmations >= set_confirmations),
confirmation_count = no_confirmation_requirement ? "" : confirmations + " / " + set_confirmations + " " + tl("confirmations"),
instant_lock_text = instant_lock ? " (instant_lock)" : "",
confirmation_title = instant_lock ? "instant_lock" : confirmation_count,
unconfirmed_text = tl("unconfirmedtx"),
checked_span = "<span class='icon-checkmark' title='" + confirmation_title + "'></span>",
confirmation_span = is_confirmed ? checked_span : confirmations ? "<div class='txli_conf' title='" + confirmation_title + "'><div class='confbar'></div><span>" + confirmation_title + "</span></div>" :
"<div class='txli_conf unconfirmed' title='" + unconfirmed_text + "'><div class='confbar'></div><span>" + unconfirmed_text + "</span></div>",
tx_list_item = $("<li><div class='txli_content'>" + formatted_date + confirmation_span + "<div class='txli_conf txl_canceled'><span class='icon-blocked'></span>" + tl("canceled") + "</div><span class='tx_val'> + " + value_string + " <span class='icon-eye show_tx' title='view on blockexplorer'></span></span></div></li>");
if (glob_let.tx_list.includes(tx_hash)) { // check for indexed transaction id's
return request_type === "outgoing" ? null : tx_list_item;
}
glob_let.tx_list.push(tx_hash);
return tx_list_item;
}
// Generates HTML wrapper for historic transaction metadata
function wrap_historic_data(data) {
return "<div class='historic_meta'>" + data.split("\n").join("<br/>") + "</div>";
}
// Generates detailed transaction information string for tooltip display
function format_transaction_details(data) {
const historic = data.historic;
let historic_details = "";
if (historic && historic.price) {
const timestamp = historic.timestamp,
price = historic.price,
fiat_source = historic.fiatapisrc,
crypto_source = historic.apisrc,
local_symbol = historic.lcsymbol,
local_eur_rate = historic.lcrate,
usd_eur_rate = historic.usdrate,
local_usd_rate = 1 / (local_eur_rate / usd_eur_rate),
local_crypto_rate = price / local_usd_rate,
local_value = data.ccval * local_crypto_rate,
crypto_symbol_upper = data.ccsymbol ? data.ccsymbol.toUpperCase() : data.ccsymbol,
local_symbol_upper = local_symbol ? local_symbol.toUpperCase() : local_symbol,
local_rate_info = local_symbol_upper === "USD" ? "" : crypto_symbol_upper + "-" + local_symbol_upper + ": " + local_crypto_rate.toFixed(6) + "\n" + local_symbol_upper + "-USD: " + local_usd_rate.toFixed(2);
// set historic data
historic_details = "Historic data (" + fulldateformat(new Date(timestamp - glob_const.timezone), langcode) + "):\n" +
"Fiatvalue: " + local_value.toFixed(2) + " " + local_symbol_upper + "\n" +
crypto_symbol_upper + "-USD: " + price.toFixed(6) + "\n" +
local_rate_info + "\n" +
"Source: " + fiat_source + "/" + crypto_source + "\n";
}
const confirmation_details = data.confirmations ? data.confirmations + "/" + data.setconfirmations : tl("unconfirmedtx"),
confirmation_var = data.instant_lock ? "(instant_lock)" : confirmation_details,
confirmation_info = data.setconfirmations === false ? "" : "Confirmations: " + confirmation_var,
layer2_source = data.l2 ? "\nLayer: " + data.l2 : "",
title_string = historic_details + confirmation_info + layer2_source;
return title_string.length ? title_string : false;
}
// Validates received cryptocurrency or fiat amounts against requested amounts and updates transaction status
function validate_payment_amounts(rd, rdo) {
const request_id = rd.requestid,
current_list = rdo.thislist,
transaction_items = current_list.find(".transactionlist li"),
transaction_count = transaction_items.length;
if (transaction_count) {
const last_transaction = transaction_items.last(),
first_transaction_time = last_transaction.data("transactiontime");
if (first_transaction_time) {
const is_crypto = rd.iscrypto,
pending_status = rd.pending,
set_confirmations = rd.set_confirmations || 1, // set minimum confirmations to 1
first_transaction = transaction_items.first(),
first_confirmations = first_transaction.data("confirmations"),
no_conf = rd.no_conf || first_confirmations === false,
conf = no_conf ? 0 : first_confirmations,
latest_transaction_time = first_transaction.data("transactiontime"),
timezone = glob_const.timezone,
first_time_offset = parseInt(now() - (first_transaction_time - timezone)),
last_time_offset = parseInt(now() - (latest_transaction_time - timezone)),
is_recent = (first_time_offset < 300000 && last_time_offset < 300000),
crypto_amount = parseFloat(rd.cc_amount),
amount_margin = 0.97;
let recent_data = false,
transaction_counter = 0,
crypto_status = "pending",
crypto_pending = pending_status,
is_crypto_confirmed = false,
crypto_confirmations = 0,
crypto_payment_timestamp,
crypto_transaction_hash,
total_crypto_amount = 0,
fiat_value = rd.fiatvalue;
if (is_crypto || is_recent) {
const transaction_reverse = transaction_count > 1 ? transaction_items.get().reverse() : transaction_items;
$(transaction_reverse).each(function(index) {
transaction_counter++;
const current_transaction = $(this),
transaction_data = current_transaction.data(),
correction_confirmations = transaction_data.instant_lock ? 0 : set_confirmations; // correction if dash instant_lock
crypto_confirmations = transaction_data.confirmations,
crypto_payment_timestamp = transaction_data.transactiontime,
crypto_transaction_hash = transaction_data.txhash,
total_crypto_amount += parseFloat(transaction_data.ccval) || 0; // sum of outputs
if (total_crypto_amount >= crypto_amount * amount_margin) { // compensation for small fluctuations in rounding amount
current_transaction.prevAll().remove();
if (crypto_confirmations >= correction_confirmations || no_conf || transaction_data.setconfirmations === false) { // check all confirmations + whitelist for currencies unable to fetch confirmations
is_crypto_confirmed = true;
} else {
is_crypto_confirmed = false;
}
return false
}
});
if (transaction_counter) {
update_transaction_count(rdo.statuspanel, transaction_counter);
}
const conf_bar = transaction_items.find(".confbar");
if (conf_bar.length) {
conf_bar.each(function(i) {
animate_confbar($(this), i);
});
};
if (total_crypto_amount >= crypto_amount * amount_margin) { // compensation for small fluctuations in rounding amount
if (is_crypto_confirmed === false) { // check confirmations outside the loop
crypto_status = "pending",
crypto_pending = transaction_count === 1 && crypto_transaction_hash ? "polling" : pending_status; // switch to tx polling if there's only one transaction and txhash is known
} else {
crypto_status = "paid",
crypto_pending = "no";
}
} else {
crypto_status = "insufficient",
crypto_pending = "scanning";
}
}
if (is_recent && !is_crypto) { // get local fiat rates when request is less then 15 minutes old
const crypto_symbol = rd.currencysymbol,
exchange_rates = br_get_session("exchangerates", true),
crypto_exchange_rates = br_get_session("xrates_" + crypto_symbol, true);
if (exchange_rates && crypto_exchange_rates) {
const fiat_exchange_rates = exchange_rates.fiat_exchangerates,
local_exchange_rate = fiat_exchange_rates ? fiat_exchange_rates[rd.fiatcurrency] : null,
usd_eur_exchange_rate = fiat_exchange_rates ? fiat_exchange_rates.usd : null;
if (local_exchange_rate && usd_eur_exchange_rate) {
const usd_rate = crypto_exchange_rates.ccrate || null;
if (usd_rate) {
const usd_value = total_crypto_amount * usd_rate,
eur_value = usd_value / usd_eur_exchange_rate;
fiat_value = eur_value * local_exchange_rate,
recent_data = true;
}
}
} else {
init_fiat_history(rd, rdo, conf, latest_transaction_time, first_transaction_time);
return
}
}
if (is_crypto || recent_data) {
update_request({
"requestid": rd.requestid,
"status": crypto_status,
"receivedamount": total_crypto_amount,
"fiatvalue": fiat_value,
"paymenttimestamp": crypto_payment_timestamp,
"txhash": crypto_transaction_hash,
"confirmations": crypto_confirmations,
"pending": crypto_pending,
"lightning": rd.lightning
}, false);
finalize_request_state(rdo);
return
}
init_fiat_history(rd, rdo, conf, latest_transaction_time, first_transaction_time);
return
}
}
finalize_request_state(rdo);
}
// Updates and displays the transaction count in the UI status panel with reset functionality
function update_transaction_count(status_panel, count) {
if (count === "reset") {
status_panel.attr("data-count", 0).text("+ " + 0);
return
}
if (!count) return
status_panel.attr("data-count", count).text("+ " + count);
if (count > 1) {
status_panel.closest(".rqli").find(".metalist .show_tx").hide();
}
}
// ** Historical Data Processing: **
// Triggers historical fiat data retrieval for transactions based on confirmation status
function init_fiat_history(rd, rdo, latestconf, latest_input, firstinput) {
const cache_value = latest_input + latestconf, // only update on change
cache_prefix = "historic_" + rd.requestid,
cache_timestamp = br_get_session(cache_prefix), // set to small amount to trigger lookup exchange rates
historic_cache = parseInt(cache_timestamp) || 1;
if (cache_value > historic_cache) { //new input detected; call historic api
const time_past = cache_value - historic_cache,
latestinput = (time_past > 600000) ? latest_input : historic_cache; // refresh cache only every 10 minutes
br_remove_session(cache_prefix); // remove historic price cache
const historic_payload = $.extend(rd, {
latestinput,
latestconf,
firstinput
}),
api_list = "historic_fiat_price_apis",
fiat_api = $("#fiatapisettings").data("selected"),
fiat_api_default = (fiat_api === "coingecko" || fiat_api === "coinbase") ? "fixer" : fiat_api; // exclude coingecko api"
glob_let.api_attempt[api_list] = {}; // reset global historic fiat price api attempt
fetch_fiat_rates(historic_payload, rdo, api_list, fiat_api_default);
return
}
finalize_request_state(rdo);
}
// Retrieves historical fiat exchange rates from specified API with fallback options
function fetch_fiat_rates(rd, rdo, api_list, fiat_api) {
glob_let.api_attempt[api_list][fiat_api] = true;
const fiat_currency = rd.fiatcurrency;
if (fiat_currency) {
const currency_symbol = fiat_currency.toUpperCase(),
payload = get_historic_fiatprice_api_payload(fiat_api, currency_symbol, rd.latestinput),
current_list = rdo.thislist;
api_proxy({
"api": fiat_api,
"search": payload,
"cachetime": 86400,
"cachefolder": "1d",
"params": {
"method": "GET"
}
}).done(function(e) {
const data = br_result(e).result;
if (data) {
if (data.error) {
const next_historic = try_next_api(api_list, fiat_api);
if (next_historic) {
fetch_fiat_rates(rd, rdo, api_list, next_historic);
return
}
fail_dialogs(fiat_api, {
"error": data.error
});
finalize_request_state(rdo);
return
}
let usd_eur = false,
usd_local = false,
usd_rate = false,
local_rate = false;
if (fiat_api === "currencylayer") {
usd_eur = q_obj(data, "quotes.USDEUR"),
usd_local = q_obj(data, "quotes.USD" + currency_symbol);
if (usd_eur && usd_local) {
usd_rate = 1 / usd_eur,
local_rate = usd_local * usd_rate;
}
} else {
usd_rate = q_obj(data, "rates.USD"),
local_rate = q_obj(data, "rates." + currency_symbol);
}
if (usd_rate && local_rate) {
const currency_rate = currency_symbol === "EUR" ? 1 : local_rate,
historic_api = $("#cmcapisettings").data("selected"),
picked_historic_api = historic_api === "coinmarketcap" ? "coingecko" : historic_api, // default to "coingecko api"
init_api_list = "historic_crypto_price_apis";
glob_let.api_attempt[init_api_list] = {};
fetch_crypto_rates(rd, rdo, fiat_api, init_api_list, picked_historic_api, currency_rate, usd_rate, currency_symbol);
return
}
const next_historic = try_next_api(api_list, fiat_api);
if (next_historic) {
fetch_fiat_rates(rd, rdo, api_list, next_historic);
return
}
}
fail_dialogs(fiat_api, {
"error": "unable to fetch " + currency_symbol + " exchange rate"
});
finalize_request_state(rdo);
}).fail(function(xhr, stat, err) {
function next_proxy() { // try next proxy
if (get_next_proxy()) {
fetch_fiat_rates(rd, rdo, api_list, fiat_api);
return true
}