Initial progress: council:info, account:import, account:choose

cli/.editorconfig

@@ -0,0 +1,11 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

cli/.eslintignore

@@ -0,0 +1 @@
+/lib

cli/.eslintrc

@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "oclif",
+    "oclif-typescript"
+  ]
+}

cli/.gitignore

@@ -0,0 +1,8 @@
+*-debug.log
+*-error.log
+/.nyc_output
+/dist
+/lib
+/tmp
+/yarn.lock
+node_modules

cli/README.md

@@ -0,0 +1,88 @@
+joystream-cli
+=============
+
+Command Line Interface for Joystream community and governance activities
+
+[![oclif](https://img.shields.io/badge/cli-oclif-brightgreen.svg)](https://oclif.io)
+[![Version](https://img.shields.io/npm/v/joystream-cli.svg)](https://npmjs.org/package/joystream-cli)
+[![Downloads/week](https://img.shields.io/npm/dw/joystream-cli.svg)](https://npmjs.org/package/joystream-cli)
+[![License](https://img.shields.io/npm/l/joystream-cli.svg)](https://github.com/Joystream/cli/blob/master/package.json)
+
+<!-- toc -->
+* [Usage](#usage)
+* [Commands](#commands)
+<!-- tocstop -->
+# Usage
+<!-- usage -->
+```sh-session
+$ npm install -g joystream-cli
+$ joystream-cli COMMAND
+running command...
+$ joystream-cli (-v|--version|version)
+joystream-cli/0.0.0 linux-x64 node-v13.12.0
+$ joystream-cli --help [COMMAND]
+USAGE
+  $ joystream-cli COMMAND
+...
+```
+<!-- usagestop -->
+# Commands
+<!-- commands -->
+* [`joystream-cli account:choose`](#joystream-cli-accountchoose)
+* [`joystream-cli account:import BACKUPFILEPATH`](#joystream-cli-accountimport-backupfilepath)
+* [`joystream-cli council:info`](#joystream-cli-councilinfo)
+* [`joystream-cli help [COMMAND]`](#joystream-cli-help-command)
+
+## `joystream-cli account:choose`
+
+Choose current account to use in the CLI
+
+```
+USAGE
+  $ joystream-cli account:choose
+```
+
+_See code: [src/commands/account/choose.ts](https://github.com/Joystream/cli/blob/v0.0.0/src/commands/account/choose.ts)_
+
+## `joystream-cli account:import BACKUPFILEPATH`
+
+Import account using JSON backup file
+
+```
+USAGE
+  $ joystream-cli account:import BACKUPFILEPATH
+
+ARGUMENTS
+  BACKUPFILEPATH  Path to account backup JSON file
+```
+
+_See code: [src/commands/account/import.ts](https://github.com/Joystream/cli/blob/v0.0.0/src/commands/account/import.ts)_
+
+## `joystream-cli council:info`
+
+Get current council and council elections information
+
+```
+USAGE
+  $ joystream-cli council:info
+```
+
+_See code: [src/commands/council/info.ts](https://github.com/Joystream/cli/blob/v0.0.0/src/commands/council/info.ts)_
+
+## `joystream-cli help [COMMAND]`
+
+display help for joystream-cli
+
+```
+USAGE
+  $ joystream-cli help [COMMAND]
+
+ARGUMENTS
+  COMMAND  command to show help for
+
+OPTIONS
+  --all  see all commands in CLI
+```
+
+_See code: [@oclif/plugin-help](https://github.com/oclif/plugin-help/blob/v2.2.3/src/commands/help.ts)_
+<!-- commandsstop -->

cli/bin/run

@@ -0,0 +1,5 @@
+#!/usr/bin/env node
+
+require('@oclif/command').run()
+.then(require('@oclif/command/flush'))
+.catch(require('@oclif/errors/handle'))

cli/bin/run.cmd

@@ -0,0 +1,3 @@
+@echo off
+
+node "%~dp0\run" %*

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+}

cli/package.json

@@ -0,0 +1,79 @@
+{
+  "name": "joystream-cli",
+  "description": "Command Line Interface for Joystream community and governance activities",
+  "version": "0.0.0",
+  "author": "Leszek Wiesner",
+  "bin": {
+    "joystream-cli": "./bin/run"
+  },
+  "bugs": "https://github.com/Joystream/cli/issues",
+  "dependencies": {
+    "@joystream/types": "^0.6.0",
+    "@oclif/command": "^1.5.19",
+    "@oclif/config": "^1.14.0",
+    "@oclif/plugin-help": "^2.2.3",
+    "@polkadot/api": "^0.96.1",
+    "@types/inquirer": "^6.5.0",
+    "@types/slug": "^0.9.1",
+    "cli-ux": "^5.4.5",
+    "inquirer": "^7.1.0",
+    "slug": "^2.1.1",
+    "tslib": "^1.11.1"
+  },
+  "devDependencies": {
+    "@oclif/dev-cli": "^1.22.2",
+    "@oclif/test": "^1.2.5",
+    "@types/chai": "^4.2.11",
+    "@types/mocha": "^5.2.7",
+    "@types/node": "^10.17.18",
+    "chai": "^4.2.0",
+    "eslint": "^5.16.0",
+    "eslint-config-oclif": "^3.1.0",
+    "eslint-config-oclif-typescript": "^0.1.0",
+    "globby": "^10.0.2",
+    "mocha": "^5.2.0",
+    "nyc": "^14.1.1",
+    "ts-node": "^8.8.2",
+    "typescript": "^3.8.3",
+    "@polkadot/ts": "^0.1.56"
+  },
+  "engines": {
+    "node": ">=8.0.0"
+  },
+  "files": [
+    "/bin",
+    "/lib",
+    "/npm-shrinkwrap.json",
+    "/oclif.manifest.json"
+  ],
+  "homepage": "https://github.com/Joystream/cli",
+  "keywords": [
+    "oclif"
+  ],
+  "license": "MIT",
+  "main": "lib/index.js",
+  "oclif": {
+    "commands": "./lib/commands",
+    "bin": "joystream-cli",
+    "plugins": [
+      "@oclif/plugin-help"
+    ],
+    "topics": {
+      "council": {
+        "description": "Council-related information and activities like voting, becoming part of the council etc."
+      },
+      "account": {
+        "description": "Accounts management - create, import or switch currently used account"
+      }
+    }
+  },
+  "repository": "Joystream/cli",
+  "scripts": {
+    "postpack": "rm -f oclif.manifest.json",
+    "posttest": "eslint . --ext .ts --config .eslintrc",
+    "prepack": "rm -rf lib && tsc -b && oclif-dev manifest && oclif-dev readme",
+    "test": "nyc --extension .ts mocha --forbid-only \"test/**/*.test.ts\"",
+    "version": "oclif-dev readme && git add README.md"
+  },
+  "types": "lib/index.d.ts"
+}

cli/src/ExitCodes.ts

@@ -0,0 +1,9 @@
+enum ExitCodes {
+    OK = 0,
+    InvalidInput = 400,
+    FileNotFound = 401,
+    InvalidFile = 402,
+    UnexpectedException = 500,
+    FsOperationFailed = 501,
+}
+export = ExitCodes;

cli/src/base/AccountsCommandBase.ts

@@ -0,0 +1,159 @@
+import fs from 'fs';
+import path from 'path';
+import slug from 'slug';
+import ExitCodes from '../ExitCodes';
+import { CLIError } from '@oclif/errors';
+import { Command } from '@oclif/command';
+import { Keyring } from '@polkadot/api';
+import { KeyringPair$Json } from '@polkadot/keyring/types';
+
+type StateObject = {
+    selectedAccountFilename: string
+};
+
+export default abstract class AccountsCommandBase extends Command {
+    static ACCOUNTS_DIRNAME = '/accounts';
+    static STATE_FILE = '/state.json';
+
+    getAccountsDirPath(): string {
+        return path.join(this.config.dataDir, AccountsCommandBase.ACCOUNTS_DIRNAME);
+    }
+
+    getStateFilePath(): string {
+        return path.join(this.config.dataDir, AccountsCommandBase.STATE_FILE);
+    }
+
+    private createDataReadError(): CLIError {
+        return new CLIError(
+            `Unexpected error while trying to read from the data directory (${this.config.dataDir})! Permissions issue?`,
+            { exit: ExitCodes.FsOperationFailed }
+        );
+    }
+
+    private createDataWriteError(): CLIError {
+        return new CLIError(
+            `Unexpected error while trying to write into the data directory (${this.config.dataDir})! Permissions issue?`,
+            { exit: ExitCodes.FsOperationFailed }
+        );
+    }
+
+    private initDataDir(): void {
+        const initialState: StateObject = { selectedAccountFilename: '' };
+        if (!fs.existsSync(this.config.dataDir)) {
+            fs.mkdirSync(this.config.dataDir);
+        }
+        if (!fs.existsSync(this.getAccountsDirPath())) {
+            fs.mkdirSync(this.getAccountsDirPath());
+        }
+        if (!fs.existsSync(this.getStateFilePath())) {
+            fs.writeFileSync(this.getStateFilePath(), JSON.stringify(initialState));
+        }
+    }
+
+    generateAccountFilename(accountJsonObj: KeyringPair$Json): string {
+        return `${ slug(accountJsonObj.meta.name, '_') }__${ accountJsonObj.address }.json`;
+    }
+
+    fetchJsonBackupAccountObj(jsonBackupFilePath: string): KeyringPair$Json {
+        if (!fs.existsSync(jsonBackupFilePath)) {
+            throw new CLIError('Input file does not exist!', { exit: ExitCodes.FileNotFound });
+        }
+        if (path.extname(jsonBackupFilePath) !== '.json') {
+            throw new CLIError('Invalid input file: File extension should be .json', { exit: ExitCodes.InvalidFile });
+        }
+        let accountJsonObj: any;
+        try {
+            accountJsonObj = require(jsonBackupFilePath);
+        } catch (e) {
+            throw new CLIError('Provided backup file is not valid or cannot be accessed', { exit: ExitCodes.InvalidFile });
+        }
+        if (typeof accountJsonObj !== 'object' || accountJsonObj === null) {
+            throw new CLIError('Provided backup file is not valid', { exit: ExitCodes.InvalidFile });
+        }
+        let keyring = new Keyring();
+        try {
+            // Try adding and retrieving the keys in order to validate that the backup file is correct
+            keyring.addFromJson(accountJsonObj);
+            keyring.getPair(accountJsonObj.address);
+        } catch (e) {
+            // TODO: Maybe check the exception to display more meaningful message?
+            throw new CLIError('Provided backup file is not valid', { exit: ExitCodes.InvalidFile });
+        }
+
+        accountJsonObj = <KeyringPair$Json> accountJsonObj; // At this point we can assume that
+
+        // Force some default account name if none provided
+        if (!accountJsonObj.meta) accountJsonObj.meta = {};
+        if (!accountJsonObj.meta.name) accountJsonObj.meta.name = 'Unnamed Account';
+
+        return accountJsonObj;
+    }
+
+    private fetchAccountObjOrNullFromFile(jsonFilePath: string): KeyringPair$Json | null {
+        try {
+            return this.fetchJsonBackupAccountObj(jsonFilePath);
+        } catch (e) {
+            // Here in case of a typical CLIError we just return null (otherwise we throw)
+            if (!(e instanceof CLIError)) throw e;
+            return null;
+        }
+    }
+
+    fetchAccounts(): KeyringPair$Json[] {
+        let files: string[] = [];
+        const accountDir = this.getAccountsDirPath();
+        try {
+            files = fs.readdirSync(accountDir);
+        }
+        catch(e) {
+        }
+
+        // We have to assert the type, because TS is not aware that we're filtering out the nulls at the end
+        return <KeyringPair$Json[]> files
+            .map(fileName => {
+                const filePath = path.join(accountDir, fileName);
+                return this.fetchAccountObjOrNullFromFile(filePath);
+            })
+            .filter(accObj => accObj !== null);
+    }
+
+    // TODO: Probably some better way to handle state will be required later
+    getSelectedAccountFilename(): string {
+        let state: StateObject;
+        try {
+            state = <StateObject> require(this.getStateFilePath());
+        } catch(e) {
+            throw this.createDataReadError();
+        }
+
+        return state.selectedAccountFilename;
+    }
+
+    setSelectedAccount(accountFilename: string): void {
+        let state: StateObject;
+        try {
+            state = <StateObject> require(this.getStateFilePath());
+        } catch(e) {
+            throw this.createDataReadError();
+        }
+
+        state.selectedAccountFilename = accountFilename;
+
+        try {
+            fs.writeFileSync(this.getStateFilePath(), JSON.stringify(state));
+        } catch(e) {
+            throw this.createDataWriteError();
+        }
+    }
+
+    async init() {
+        try {
+            this.initDataDir();
+        } catch (e) {
+            this.error(
+                'Unexpected error while trying to initialize the data directory! Permissions issue?',
+                { exit: ExitCodes.FsOperationFailed }
+            );
+        }
+    }
+}

cli/src/commands/account/choose.ts

@@ -0,0 +1,36 @@
+import AccountsCommandBase from '../../base/AccountsCommandBase';
+import inquirer from 'inquirer';
+import chalk from 'chalk';
+import ExitCodes from '../../ExitCodes';
+import { KeyringPair$Json } from '@polkadot/keyring/types';
+
+
+export default class AccountChoose extends AccountsCommandBase {
+    static description = 'Choose current account to use in the CLI';
+
+    async run() {
+        const accounts: KeyringPair$Json[] = this.fetchAccounts();
+        const selectedAccountFilename: string = this.getSelectedAccountFilename();
+
+        this.log(`Found ${ accounts.length } existing accounts\n\n`);
+
+        if (accounts.length === 0) {
+            this.log('Exiting');
+            this.exit(ExitCodes.OK);
+        }
+
+        const { chosenAccount } = await inquirer.prompt([{
+            name: 'chosenAccount',
+            message: 'Select an account',
+            type: 'list',
+            choices: accounts.map(accountObj => ({
+                name: `${ accountObj.meta.name }: ${ accountObj.address }`,
+                value: this.generateAccountFilename(accountObj)
+            })),
+            default: selectedAccountFilename
+        }]);
+
+        this.setSelectedAccount(chosenAccount);
+        this.log(chalk.bold.greenBright("\n\nAccount switched!"));
+    }
+  }

cli/src/commands/account/import.ts

@@ -0,0 +1,46 @@
+import fs from 'fs';
+import chalk from 'chalk';
+import path from 'path';
+import ExitCodes from '../../ExitCodes';
+import { KeyringPair$Json } from '@polkadot/keyring/types';
+import AccountsCommandBase from '../../base/AccountsCommandBase';
+
+type AccountImportArgs = {
+    backupFilePath: string
+};
+
+export default class AccountImport extends AccountsCommandBase {
+    static description = 'Import account using JSON backup file';
+
+    static args = [
+        {
+            name: 'backupFilePath',
+            required: true,
+            description: 'Path to account backup JSON file'
+        },
+    ];
+
+    async run() {
+        const args: AccountImportArgs = <AccountImportArgs> this.parse(AccountImport).args;
+        const backupAcc: KeyringPair$Json = this.fetchJsonBackupAccountObj(args.backupFilePath);
+        const accountName: string = backupAcc.meta.name;
+        const accountAddress: string = backupAcc.address;
+
+        const sourcePath: string = args.backupFilePath;
+        const destPath: string = path.join(this.getAccountsDirPath(), this.generateAccountFilename(backupAcc));
+
+        try {
+            fs.copyFileSync(sourcePath, destPath);
+        }
+        catch (e) {
+            this.error(
+                'Unexpected error while trying to copy input file! Permissions issue?',
+                { exit: ExitCodes.FsOperationFailed }
+            );
+        }
+
+        this.log(chalk.bold.greenBright(`ACCOUNT IMPORTED SUCCESFULLY!`));
+        this.log(chalk.bold.white(`NAME:    `), accountName);
+        this.log(chalk.bold.white(`ADDRESS: `), accountAddress);
+    }
+  }

cli/src/commands/council/info.ts

@@ -0,0 +1,146 @@
+import BN from 'bn.js';
+import { cli } from 'cli-ux';
+import chalk from 'chalk';
+import { Command } from '@oclif/command';
+import { registerJoystreamTypes, ElectionStage, Seat } from '@joystream/types';
+import { ApiPromise, WsProvider } from '@polkadot/api';
+import { Option } from '@polkadot/types';
+import { formatNumber, formatBalance } from '@polkadot/util';
+import { BlockNumber, Balance } from '@polkadot/types/interfaces';
+
+const API_URL = 'wss://rome-staging-2.joystream.org/staging/rpc/';
+
+type ElectionsInfoTuple = Parameters<typeof createElectionsInfoObj>;
+type ElectionsInfoObj = ReturnType<typeof createElectionsInfoObj>;
+type NameValueObj = { name: string, value: string };
+
+function createElectionsInfoObj(
+    activeCouncil: Seat[] | undefined,
+    termEndsAt: BlockNumber | undefined,
+    autoStart: Boolean | undefined,
+    newTermDuration: BN | undefined,
+    candidacyLimit: BN | undefined,
+    councilSize: BN | undefined,
+    minCouncilStake: Balance | undefined,
+    minVotingStake: Balance | undefined,
+    announcingPeriod: BlockNumber | undefined,
+    votingPeriod: BlockNumber | undefined,
+    revealingPeriod: BlockNumber | undefined,
+    round: BN | undefined,
+    stage: Option<ElectionStage> | undefined
+) {
+    return {
+        activeCouncil,
+        termEndsAt,
+        autoStart,
+        newTermDuration,
+        candidacyLimit,
+        councilSize,
+        minCouncilStake,
+        minVotingStake,
+        announcingPeriod,
+        votingPeriod,
+        revealingPeriod,
+        round,
+        stage
+    };
+}
+
+export default class CouncilInfo extends Command {
+    static description = 'Get current council and council elections information';
+
+    displayHeader(caption: string, placeholderSign: string = '_', size: number = 50) {
+        let singsPerSide: number = Math.floor((size - (caption.length + 2)) / 2);
+        let finalStr: string = '';
+        for (let i = 0; i < singsPerSide; ++i) finalStr += placeholderSign;
+        finalStr += ` ${ caption} `;
+        while (finalStr.length < size) finalStr += placeholderSign;
+
+        console.log("\n" + chalk.bold.blueBright(finalStr) + "\n");
+    }
+
+    displayTable(rows: NameValueObj[]) {
+        cli.table(
+            rows,
+            {
+                name: { minWidth: 30, get: row => chalk.bold.white(row.name) },
+                value: { get: row => chalk.white(row.value) }
+            },
+            { 'no-header': true }
+        );
+    }
+
+    displayInfo(infoObj: ElectionsInfoObj) {
+        const { activeCouncil = [], round, stage } = infoObj;
+
+        this.displayHeader('Council');
+        const councilRows: NameValueObj[] = [
+            { name: 'Elected:', value: activeCouncil.length ? 'YES' : 'NO' },
+            { name: 'Members:', value: activeCouncil.length.toString() },
+            { name: 'Term ends at block:', value: `#${formatNumber(infoObj.termEndsAt) }` },
+        ];
+        this.displayTable(councilRows);
+
+
+        this.displayHeader('Election');
+        let electionTableRows: NameValueObj[] = [
+            { name: 'Running:', value: stage && stage.isSome ? 'YES' : 'NO' },
+            { name: 'Election round:', value: formatNumber(round) }
+        ];
+        if (stage && stage.isSome) {
+            const stageValue = <ElectionStage> stage.value;
+            const stageName: string = stageValue.type;
+            const stageEndsAt = <BlockNumber> stageValue.value;
+            electionTableRows.push({ name: 'Stage:', value: stageName });
+            electionTableRows.push({ name: 'Stage ends at block:', value: `#${stageEndsAt}` });
+        }
+        this.displayTable(electionTableRows);
+
+        this.displayHeader('Configuration');
+        const isAutoStart = (infoObj.autoStart || false).valueOf();
+        const configTableRows: NameValueObj[] = [
+            { name: 'Auto-start elections:', value: isAutoStart ? 'YES' : 'NO' },
+            { name: 'New term duration:', value: formatNumber(infoObj.newTermDuration) },
+            { name: 'Candidacy limit:', value: formatNumber(infoObj.candidacyLimit) },
+            { name: 'Council size:', value: formatNumber(infoObj.councilSize) },
+            { name: 'Min. council stake:', value: formatBalance(infoObj.minCouncilStake) },
+            { name: 'Min. voting stake:', value: formatBalance(infoObj.minVotingStake) },
+            { name: 'Announcing period:', value: `${ formatNumber(infoObj.announcingPeriod) } blocks` },
+            { name: 'Voting period:', value: `${ formatNumber(infoObj.votingPeriod) } blocks` },
+            { name: 'Revealing period:', value: `${ formatNumber(infoObj.revealingPeriod) } blocks` }
+        ];
+        this.displayTable(configTableRows);
+    }
+
+    async run() {
+        // TODO: This should probably be part of some command abstract base class (like: ApiCommandBase)
+        formatBalance.setDefaults({ unit: 'JOY' });
+        const wsProvider:WsProvider = new WsProvider(API_URL);
+        registerJoystreamTypes();
+        const api:ApiPromise = await ApiPromise.create({ provider: wsProvider });
+
+        const unsub = await api.queryMulti(
+            [
+                api.query.council.activeCouncil,
+                api.query.council.termEndsAt,
+                api.query.councilElection.autoStart,
+                api.query.councilElection.newTermDuration,
+                api.query.councilElection.candidacyLimit,
+                api.query.councilElection.councilSize,
+                api.query.councilElection.minCouncilStake,
+                api.query.councilElection.minVotingStake,
+                api.query.councilElection.announcingPeriod,
+                api.query.councilElection.votingPeriod,
+                api.query.councilElection.revealingPeriod,
+                api.query.councilElection.round,
+                api.query.councilElection.stage
+            ],
+            ((res) => {
+                const infoObj: ElectionsInfoObj = createElectionsInfoObj(...(<ElectionsInfoTuple> res));
+                this.displayInfo(infoObj);
+            })
+        );
+        unsub();
+        this.exit();
+    }
+  }

cli/src/index.ts

@@ -0,0 +1 @@
+export {run} from '@oclif/command'

cli/test/commands/council/info.test.ts

@@ -0,0 +1,11 @@
+import {expect, test} from '@oclif/test'
+
+describe('info', () => {
+  test
+  .stdout()
+  .command(['council:info'])
+  .exit(0)
+  .it('displays "Council" string', ctx => {
+    expect(ctx.stdout).to.contain('Council')
+  })
+})

cli/test/mocha.opts

@@ -0,0 +1,5 @@
+--require ts-node/register
+--watch-extensions ts
+--recursive
+--reporter spec
+--timeout 5000

cli/test/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "../tsconfig",
+  "compilerOptions": {
+    "noEmit": true
+  },
+  "references": [
+    {"path": ".."}
+  ]
+}

cli/tsconfig.json

@@ -0,0 +1,15 @@
+{
+  "compilerOptions": {
+    "declaration": true,
+    "importHelpers": true,
+    "module": "commonjs",
+    "outDir": "lib",
+    "rootDir": "src",
+    "strict": true,
+    "target": "es2017",
+    "esModuleInterop": true
+  },
+  "include": [
+    "src/**/*"
+  ]
+}