95 lines
2.4 KiB
JavaScript
95 lines
2.4 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 Uuid = require('uuid');
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var sjcl = require('sjcl');
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var Address = require('./address');
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var AddressManager = require('./addressmanager');
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var Bitcore = require('bitcore-lib');
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var Constants = require('../common/constants');
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function Copayer() {};
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Copayer._xPubToCopayerId = function(xpub) {
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var hash = sjcl.hash.sha256.hash(xpub);
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return sjcl.codec.hex.fromBits(hash);
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};
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Copayer.create = function(opts) {
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opts = opts || {};
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$.checkArgument(opts.xPubKey, 'Missing copayer extended public key')
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.checkArgument(opts.requestPubKey, 'Missing copayer request public key')
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.checkArgument(opts.signature, 'Missing copayer request public key signature');
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opts.copayerIndex = opts.copayerIndex || 0;
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var x = new Copayer();
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x.version = 2;
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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 = Copayer._xPubToCopayerId(x.xPubKey);
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x.name = opts.name;
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x.requestPubKey = opts.requestPubKey;
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x.signature = opts.signature;
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x.requestPubKeys = [{
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key: opts.requestPubKey,
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signature: opts.signature,
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}];
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var derivationStrategy = opts.derivationStrategy || Constants.DERIVATION_STRATEGIES.BIP45;
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if (AddressManager.supportsCopayerBranches(derivationStrategy)) {
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x.addressManager = AddressManager.create({
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derivationStrategy: derivationStrategy,
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copayerIndex: opts.copayerIndex,
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});
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}
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x.customData = opts.customData;
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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.version = obj.version;
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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.requestPubKey = obj.requestPubKey;
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x.signature = obj.signature;
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if (parseInt(x.version) == 1) {
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x.requestPubKeys = [{
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key: x.requestPubKey,
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signature: x.signature,
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}];
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x.version = 2;
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} else {
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x.requestPubKeys = obj.requestPubKeys;
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}
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if (obj.addressManager) {
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x.addressManager = AddressManager.fromObj(obj.addressManager);
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}
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x.customData = obj.customData;
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return x;
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};
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Copayer.prototype.createAddress = function(wallet, isChange) {
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$.checkState(wallet.isComplete());
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var path = this.addressManager.getNewAddressPath(isChange);
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var address = Address.derive(wallet.id, wallet.addressType, wallet.publicKeyRing, path, wallet.m, wallet.network, isChange);
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return address;
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};
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module.exports = Copayer;
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