coinjoin.js

'use strict';

let CoinJoin = module.exports;

CoinJoin.STANDARD_DENOMINATIONS = [
	// 0.00100001
	100001,
	// 0.01000010
	1000010,
	// 0.10000100
	10000100,
	// 1.00001000
	100001000,
	// 10.0000100
	1000010000,
];

// TODO the spec seems to be more of an ID, though
// the implementation makes it look more like a mask...
CoinJoin.STANDARD_DENOMINATION_MASKS = {
	//  0.00100001
	100001: 0b00010000,
	//  0.01000010
	1000010: 0b00001000,
	//  0.10000100
	10000100: 0b00000100,
	//  1.00001000
	100001000: 0b00000010,
	// 10.00010000
	1000010000: 0b00000001,
};

CoinJoin.STANDARD_DENOMINATIONS_MAP = {
	//  0.00100001
	0b00010000: 100001,
	//  0.01000010
	0b00001000: 1000010,
	//  0.10000100
	0b00000100: 10000100,
	//  1.00001000
	0b00000010: 100001000,
	// 10.00010000
	0b00000001: 1000010000,
};

// (STANDARD_DENOMINATIONS[0] / 10).floor();
CoinJoin.COLLATERAL = 10000;
// COLLATERAL * 4
CoinJoin.MAX_COLLATERAL = 40000;

CoinJoin.isDenominated = function (sats) {
	return CoinJoin.STANDARD_DENOMINATIONS.includes(sats);
};