77 lines
1.7 KiB
JavaScript
77 lines
1.7 KiB
JavaScript
'use strict';
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var $ = require('preconditions').singleton();
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var _ = require('lodash');
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var util = require('util');
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var Bitcore = require('bitcore');
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var HDPublicKey = Bitcore.HDPublicKey;
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var Uuid = require('uuid');
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var AddressManager = require('./addressmanager');
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var Utils = require('../walletutils');
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var RO_SIGNING_PATH = "m/1/0";
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var RW_SIGNING_PATH = "m/1/1";
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function Copayer() {
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this.version = '1.0.0';
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};
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Copayer.create = function(opts) {
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$.checkArgument(opts && opts.xPubKey, 'need to provide an xPubKey');
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opts.copayerIndex = opts.copayerIndex || 0;
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var x = new Copayer();
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x.createdOn = Math.floor(Date.now() / 1000);
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x.xPubKey = opts.xPubKey;
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x.id = Utils.xPubToCopayerId(x.xPubKey);
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x.name = opts.name;
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x.xPubKeySignature = opts.xPubKeySignature; // So third parties can check independently
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x.roPubKey = x.getROPubKey();
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x.rwPubKey = x.getRWPubKey();
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x.addressManager = AddressManager.create({
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copayerIndex: opts.copayerIndex
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});
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return x;
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};
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Copayer.fromObj = function(obj) {
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var x = new Copayer();
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x.createdOn = obj.createdOn;
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x.id = obj.id;
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x.name = obj.name;
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x.xPubKey = obj.xPubKey;
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x.xPubKeySignature = obj.xPubKeySignature;
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x.roPubKey = obj.roPubKey;
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x.rwPubKey = obj.rwPubKey;
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x.addressManager = AddressManager.fromObj(obj.addressManager);
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return x;
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};
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Copayer.prototype.getPublicKey = function(path) {
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return HDPublicKey
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.fromString(this.xPubKey)
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.derive(path)
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.publicKey
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.toString();
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};
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Copayer.prototype.getROPubKey = function() {
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return this.getPublicKey(RO_SIGNING_PATH);
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};
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Copayer.prototype.getRWPubKey = function() {
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return this.getPublicKey(RW_SIGNING_PATH);
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};
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module.exports = Copayer;
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