joystream/cli/src/commands/account/import.ts

import fs from 'fs';
import chalk from 'chalk';
import path from 'path';
import ExitCodes from '../../ExitCodes';
import AccountsCommandBase from '../../base/AccountsCommandBase';
import { NamedKeyringPair } from '../../Types';

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: NamedKeyringPair = this.fetchAccountFromJsonFile(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);
    }
  }