tangerine-pie-key-pair/src/classes/KeyPair.js

The key pairs used by Tangerine Pie.

import * as fs from 'fs';
import { promises as fsp } from 'fs';
import { resolve } from 'path';
import * as AtekNet from '@atek-cloud/network';
import { fromBase32, toBase32 } from '@atek-cloud/network/dist/util.js';

export class KeyPair {
    constructor(publicKey=null, secretKey=null) {
        this.publicKey = publicKey;
        this.secretKey = secretKey;

        // If no arguments were provided, generate a new random key
        if (publicKey === null && secretKey === null) {
            const keyPair = AtekNet.createKeypair();

            this.publicKey = keyPair.publicKey;
            this.secretKey = keyPair.secretKey;
        }
    }

    getPublicKey() {
        return this.publicKey;
    }

    getSecretKey() {
        return this.secretKey;
    }

    async readFile(path) {
        path = resolve(path);

        const json = await fsp.readFile(path, { encoding: 'utf-8' });

        return this.readJSON(json);
    }

    async readFileSync(path) {
        path = resolve(path);

        const json = fs.readFile(path, { encoding: 'utf-8' });

        return this.readJSON(json);
    }

    readJSON(json) {
        const object = JSON.parse(json);

        if (typeof object.publicKey === 'string') {
            this.publicKey = fromBase32(object.publicKey);
        }

        if (typeof object.secretKey === 'string') {
            this.secretKey = fromBase32(object.secretKey);
        }

        return this;
    }

    toString() {
        const object = {
            publicKey: toBase32(this.publicKey),
            secretKey: toBase32(this.secretKey)
        };

        const json = JSON.stringify(object, null, 2);

        return json;
    }

    async writeFile(path) {
        const json = this.toString();

        await fsp.writeFile(path, json, 'utf-8');
    }
}