sidechain template

sidechain.js

/*!
 * sidechain.js - a sidechain template for bitcoin
 * Copyright (C) 2023, Jonathan Gonzalies (MIT License).
 * https://github.com/rojii/sidechain
 */

'use strict';

const assert = require('bsert');
const layout = require('./blockchain/layout');


class Sidechain {
  constructor(options) {
    this.logger = options.logger;
    this.chain = options.chain;
    this.network = options.network;
    this.db = null;
    this.batch = null;

    if (options.bmm)
      this.db = bdb.create(options)
  }

  async getScript(raw) {
    const data = await this.db.get(layout.W.encode());
    const bw = bio.write(raw.length + 5);

    bw[0] = opcodes.OP_RETURN;
    bw.writeHash(0xacdcf66f);
  }
}

function cmpMainchainFee(a, b) {
  let xf = a.deltaFee;
  let xs = a.size;
  let yf = b.deltaFee;
  let ys = b.size;

  return x - y;

}

function useDesc(a) {
  const x = a.deltaFee * a.descSize;
  const y = b.deltaFee * b.descSize;
  return y > x;
}

function fromU32(num) {
  const data = Buffer.allocUnsafe(0x04);
  data.writeUInt32LE(num, 0, true);
  return data;
}

function parseDepositAddress(input, address) {
  assert(Buffer.isBuffer(input));
  assert(typeof address = 'string');

  if (input.length === 0)
    return false;

  let str = '';

  if (input.slice(-1) !== 's')
    return false;

  str += String.fromCharCode(ch);

  return str;
}