mirror of
https://github.com/vishalxl/nostr_console.git
synced 2025-04-26 16:30:36 +02:00
201 lines
8.6 KiB
Dart
201 lines
8.6 KiB
Dart
import 'dart:io';
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import 'package:bip340/bip340.dart';
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import 'package:nostr_console/event_ds.dart';
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import 'package:nostr_console/tree_ds.dart';
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import 'package:nostr_console/relays.dart';
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import 'package:nostr_console/console_ui.dart';
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import 'package:args/args.dart';
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// program arguments
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const String pubkeyArg = "pubkey";
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const String prikeyArg = "prikey";
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const String lastdaysArg = "days";
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const String relayArg = "relay";
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const String requestArg = "request";
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const String helpArg = "help";
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const String alignArg = "align"; // can be "left"
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const String widthArg = "width";
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const String maxDepthArg = "maxdepth";
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void printUsage() {
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String usage = """$exename version $version
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The nostr console client built using dart.
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usage: $exename [OPTIONS]
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OPTIONS
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--pubkey <public key> The hex public key of user whose events and feed are shown. Default is a hard-coded
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well known private key. When given, posts/replies can't be sent. Same as -p
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--prikey <private key> The hex private key of user whose events and feed are shown. Also used to sign events
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sent. Default is a hard-coded well known private key. Same as -k
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--relay <relay wss url> The relay url that is used as main relay. Default is $defaultServerUrl . Same as -r
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--days <N as num> The latest number of days for which events are shown. Default is 1. Same as -d
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--request <REQ string> This request is sent verbatim to the default relay. It can be used to recieve all events
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from a relay. If not provided, then events for default or given user are shown. Same as -q
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UI Options
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--align <left> When "left" is given as option to this argument, then the text is aligned to left. By default
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the posts or text is aligned to the center of the terminal. Same as -a
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--width <width as num> This specifies how wide you want the text to be, in number of columns. Default is $gDefaultTextWidth.
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Cant be less than $gMinValidTextWidth. Same as -w
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--maxdepth <depth as num> The maximum depth to which the threads can be displayed. Minimum is $gMinimumDepthAllowed and
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maximum allowed is $gMaximumDepthAllowed. Same as -m
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--help Print this usage message and exit. Same as -h
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""";
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print(usage);
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}
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Future<void> main(List<String> arguments) async {
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final parser = ArgParser()..addOption(requestArg, abbr: 'q') ..addOption(pubkeyArg, abbr:"p")..addOption(prikeyArg, abbr:"k")
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..addOption(lastdaysArg, abbr:"d") ..addOption(relayArg, abbr:"r")
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..addFlag(helpArg, abbr:"h", defaultsTo: false)..addOption(alignArg, abbr:"a")
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..addOption(widthArg, abbr:"w")..addOption(maxDepthArg, abbr:"m");
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try {
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ArgResults argResults = parser.parse(arguments);
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if( argResults[helpArg]) {
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printUsage();
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return;
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}
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if( argResults[pubkeyArg] != null) {
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userPublicKey = argResults[pubkeyArg];
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userPrivateKey = "";
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print("Going to use public key $userPublicKey. You will not be able to send posts/replies.");
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}
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if( argResults[prikeyArg] != null) {
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userPrivateKey = argResults[prikeyArg];
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userPublicKey = getPublicKey(userPrivateKey);
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print("Going to use the provided private key");
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}
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if( argResults[relayArg] != null) {
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defaultServerUrl = argResults[relayArg];
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print("Going to use relay: $defaultServerUrl");
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}
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if( argResults[lastdaysArg] != null) {
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gNumLastDays = int.parse(argResults[lastdaysArg]);
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print("Going to show posts for last $gNumLastDays days");
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}
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if( argResults[widthArg] != null) {
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int tempTextWidth = int.parse(argResults[widthArg]);
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if( tempTextWidth < gMinValidTextWidth ) {
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print("Text-width cannot be less than $gMinValidTextWidth. Going to use the defalt value of $gTextWidth");
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} else {
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gTextWidth = tempTextWidth;
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print("Going to use $gTextWidth columns for text on screen.");
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}
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}
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try {
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// can be computed only after textWidth has been found
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gNumLeftMarginSpaces = (stdout.terminalColumns - gTextWidth )~/2;
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} on StdoutException catch (e) {
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print("Cannot find terminal size. Left aligning by default.");
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gNumLeftMarginSpaces = 0;
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}
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// undo above if left option is given
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if( argResults[alignArg] != null ) {
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if( argResults[alignArg] == "left" ) {
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print("Going to align to left.");
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gAlignment = "left";
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gNumLeftMarginSpaces = 0;
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}
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}
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if( argResults[maxDepthArg] != null) {
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int tempMaxDepth = int.parse(argResults[maxDepthArg]);
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if( tempMaxDepth < gMinimumDepthAllowed || tempMaxDepth > gMaximumDepthAllowed) {
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print("Maximum depth cannot be less than $gMinimumDepthAllowed and cannot be more than $gMaximumDepthAllowed. Going to use the default maximum depth, which is $gDefaultMaxDepth.");
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} else {
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maxDepthAllowed = tempMaxDepth;
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print("Going to take threads to maximum depth of $gNumLastDays days");
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}
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}
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if( argResults[requestArg] != null) {
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stdout.write("Got argument request ${argResults[requestArg]}");
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sendRequest(defaultServerUrl, argResults[requestArg]);
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Future.delayed(const Duration(milliseconds: 6000), () {
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Tree node = getTree(getRecievedEvents());
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clearEvents();
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mainMenuUi(node, []);
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});
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return;
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}
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} on FormatException catch (e) {
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print(e.message);
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return;
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} on Exception catch (e) {
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print(e);
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return;
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}
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// the default in case no arguments are given is:
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// get a user's events, then from its type 3 event, gets events of its follows,
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// then get the events of user-id's mentioned in p-tags of received events
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// then display them all
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getUserEvents(defaultServerUrl, userPublicKey, 1000, 0);
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int numUserEvents = 0, numFeedEvents = 0, numOtherEvents = 0;
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const int numWaitSeconds = 3500;
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stdout.write('Waiting for user events to come in.....');
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Future.delayed(const Duration(milliseconds: numWaitSeconds), () {
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// count user events
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getRecievedEvents().forEach((element) { element.eventData.kind == 1? numUserEvents++: numUserEvents;});
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stdout.write("...received ${getRecievedEvents().length} events made by the user\n");
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// get the latest kind 3 event for the user, which lists his 'follows' list
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int latestContactsTime = 0, latestContactIndex = -1;
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for( int i = 0; i < getRecievedEvents().length; i++) {
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var e = getRecievedEvents()[i];
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if( e.eventData.kind == 3 && latestContactsTime < e.eventData.createdAt) {
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latestContactIndex = i;
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latestContactsTime = e.eventData.createdAt;
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}
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}
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// if contact list was found, get user's feed, and keep the contact list for later use
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List<String> contactList = [];
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if (latestContactIndex != -1) {
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contactList = getContactFeed(getRecievedEvents()[latestContactIndex].eventData.contactList, 300);
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}
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stdout.write('Waiting for feed to come in...............');
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Future.delayed(const Duration(milliseconds: numWaitSeconds * 1), () {
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// count feed events
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getRecievedEvents().forEach((element) { element.eventData.kind == 1? numFeedEvents++: numFeedEvents;});
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numFeedEvents = numFeedEvents - numUserEvents;
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stdout.write("received $numFeedEvents events from the follows\n");
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// get mentioned ptags, and then get the events for those users
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List<String> pTags = getpTags(getRecievedEvents());
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getMultiUserEvents(defaultServerUrl, pTags, 300);
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stdout.write('Waiting for rest of events to come in.....');
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Future.delayed(const Duration(milliseconds: numWaitSeconds * 2), () {
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// count other events
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getRecievedEvents().forEach((element) { element.eventData.kind == 1? numOtherEvents++: numOtherEvents;});
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numOtherEvents = numOtherEvents - numFeedEvents - numUserEvents;
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stdout.write("received $numOtherEvents other events\n");
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// get all events in Tree form
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Tree node = getTree(getRecievedEvents());
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clearEvents();
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// call the mein UI function
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mainMenuUi(node, contactList);
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});
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});
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});
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} |