siman

{
  "$schema": "http://json-schema.org/draft-07/schema",
  "$id": "TODO: An URL of this schema. Ideally at Joystream.org. Example: https://joystream.org/new-class.schema.json",
  "title": "JoystreamNewClass",
  "description": "JSON schema to describe a new class for Joystream network",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "name"
  ],

siman

// Copyright 2019 Jsgenesis.
//
// This is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Substrate. If not, see <http://www.gnu.org/licenses/>.

siman

/// Update category
fn update_category(origin, category_id: CategoryId, new_archival_status: Option<bool>, new_deletion_status: Option<bool>) -> dispatch::Result {

    // Check that its a valid signature
    let who = ensure_signed(origin)?;

    // Not signed by forum SUDO
    Self::ensure_is_forum_sudo(&who)?;

    // Get path from parent to root of category tree.

siman

2019-06-14 10:20:30 Pre-sealed block for proposal at 314. Hash now 0xc150f6008b89ddad85a1db7f2976d53e91589cc737ade8d2057df2d8b0c5ed89, previously 0x351a1639359a4abd3a48212b123983e058a19c8a281bd25e8c2176c05436e350.
Hash: given=b09cdf4b661fb442f526f1607a8eb10427d755bbd4af0130533de12cba5af141, expected=91cdf8fb9afc1ef94623dfe0fa413b700893f320a2fb0ddbf2be04cda8808549

====================

stack backtrace:
   0: substrate_panic_handler::set::{{closure}}::h41c84304a3d7b8c9 (0x10a7674a0)
   1: std::panicking::rust_panic_with_hook::hfcf2d0777bc6c409 (0x10a8c6ad0)
   2: std::panicking::begin_panic::hf60a109f4abac58e (0x10a469be4)
   3: srml_executive::Executive<System,Block,Context,Payment,AllModules>::execute_block::h3266066fafbe65cf (0x10a43156c)

siman

$ ./build.sh 
~/Work/jsgenesis/joystream-runtime/wasm ~/Work/jsgenesis/joystream-runtime
   Compiling substrate-forum-module v0.1.0 (https://github.com/bedeho/substrate-forum-module?rev=9c0cf6544f8f6f9b7ae185007ccf3d8623d5f62a#9c0cf654)
error[E0432]: unresolved import `serde_derive`
   --> /Users/siman/.cargo/git/checkouts/substrate-forum-module-45fcd172ed492bdc/9c0cf65/src/lib.rs:216:5
    |
216 | use serde_derive::{Serialize, Deserialize};
    |     ^^^^^^^^^^^^ use of undeclared type or module `serde_derive`

error[E0425]: cannot find function `ensure_signed` in this scope

siman

Tasks from "Research" page:

Light-Clients

• Performance improvements
• Client-side state machines

Scalability

• Parallelization

Programming Languages

siman

Polkadot Ukraine Community

https://t.me/PolkadotUkraine

https://fb.me/PolkadotUkraine

https://meetup.com/Polkadot-Ukraine

Useful links

siman

Pioneer

---

• Description: The user interface for interacting with the platform.
• Manager: Alex
• Team:
  • Alex: Developer
  • Mokhtar: Developer
  • Martin: Testing
• Main repo: apps
• Current version: We didn't have a proper version for Pioneer before and just used the version that shipped with Polkadot Apps that is 0.32.0-beta.6.

siman

import React from 'react';
import { StreamApp, NotificationDropdown, FlatFeed, LikeButton, Activity, CommentField, CommentList } from 'react-activity-feed';
import 'react-activity-feed/dist/index.css';

const customDoFeedRequest = (client, feedGroup, userId, options) => {
  const feed = client.feed(feedGroup, userId);
  const feedPromise = feed.get(options);
  feedPromise.then((res) => {
    console.log('doFeedRequest: Promise:', res.results);
    res.results.forEach((activity) => {

siman

import React, { useReducer, createContext, useContext } from 'react';

type CounterProps = {
  initialCount: number
};

type CounterState = {
  count: number
};