mirror of https://github.com/BTCPrivate/copay.git
Merge pull request #86 from maraoz/feature/cache-BIP32
Feature/cache bip32
This commit is contained in:
commit
ae8f50793f
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@ -10,45 +10,57 @@ var util = bitcore.util;
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var PublicKeyRing = require('./PublicKeyRing');
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function PrivateKey(opts) {
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opts = opts || {};
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this.network = opts.networkName === 'testnet' ?
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networks.testnet : networks.livenet;
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var init = opts.extendedPrivateKeyString || this.network.name;
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this.BIP32 = opts.BIP32 || new BIP32(init);
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this.bip = opts.BIP32 || new BIP32(init);
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this.privateKeyCache = opts.privateKeyCache || {};
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this._calcId();
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};
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PrivateKey.prototype._calcId = function() {
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this.id = util.ripe160(this.BIP32.extendedPublicKey).toString('hex');
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this.id = util.ripe160(this.bip.extendedPublicKey).toString('hex');
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};
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PrivateKey.prototype.getBIP32 = function(index,isChange) {
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if (typeof index === 'undefined') {
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return this.BIP32;
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}
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return this.BIP32.derive( isChange ?
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PublicKeyRing.ChangeBranch(index):PublicKeyRing.PublicBranch(index) );
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};
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PrivateKey.fromObj = function(o) {
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return new PrivateKey({
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extendedPrivateKeyString: o.extendedPrivateKeyString,
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networkName: o.networkName,
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});
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PrivateKey.fromObj = function(obj) {
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return new PrivateKey(obj);
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};
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PrivateKey.prototype.toObj = function() {
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return {
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extendedPrivateKeyString: this.BIP32.extendedPrivateKeyString(),
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extendedPrivateKeyString: this.getExtendedPrivateKeyString(),
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networkName: this.network.name,
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privateKeyCache: this.privateKeyCache
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};
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};
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PrivateKey.prototype.getExtendedPublicKeyString = function() {
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return this.bip.extendedPublicKeyString();
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};
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PrivateKey.prototype.getExtendedPrivateKeyString = function() {
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return this.bip.extendedPrivateKeyString();
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};
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PrivateKey.prototype._getBIP32 = function(path) {
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if (typeof path === 'undefined') {
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return this.bip;
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}
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return this.bip.derive(path);
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};
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PrivateKey.prototype.get = function(index,isChange) {
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var derivedBIP32 = this.getBIP32(index,isChange);
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var path = PublicKeyRing.Branch(index, isChange);
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var pk = this.privateKeyCache[path];
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if (!pk) {
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var derivedBIP32 = this._getBIP32(path);
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pk = this.privateKeyCache[path] = derivedBIP32.eckey.private.toString('hex');
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} else {
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//console.log('cache hit!');
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}
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var wk = new WalletKey({network: this.network});
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var p = derivedBIP32.eckey.private.toString('hex');
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wk.fromObj({priv: p});
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wk.fromObj({priv: pk});
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return wk;
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};
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@ -25,10 +25,12 @@ function PublicKeyRing(opts) {
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this.requiredCopayers = opts.requiredCopayers || 3;
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this.totalCopayers = opts.totalCopayers || 5;
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this.copayersBIP32 = [];
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this.copayersBIP32 = opts.copayersBIP32 || [];
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this.changeAddressIndex=0;
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this.addressIndex=0;
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this.changeAddressIndex= opts.changeAddressIndex || 0;
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this.addressIndex= opts.addressIndex || 0;
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this.publicKeysCache = opts.publicKeysCache || {};
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}
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/*
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@ -40,33 +42,18 @@ function PublicKeyRing(opts) {
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*
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*/
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PublicKeyRing.PublicBranch = function (index) {
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return 'm/0/'+index;
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};
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PublicKeyRing.ChangeBranch = function (index) {
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return 'm/1/'+index;
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PublicKeyRing.Branch = function (index, isChange) {
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return 'm/'+(isChange?1:0)+'/'+index;
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};
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PublicKeyRing.fromObj = function (data) {
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if (!data.ts) {
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if (data instanceof PublicKeyRing) {
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throw new Error('bad data format: Did you use .toObj()?');
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}
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var config = { networkName: data.networkName || 'livenet' };
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var w = new PublicKeyRing(config);
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w.walletId = data.walletId;
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w.requiredCopayers = data.requiredCopayers;
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w.totalCopayers = data.totalCopayers;
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w.addressIndex = data.addressIndex;
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w.changeAddressIndex = data.changeAddressIndex;
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w.copayersBIP32 = data.copayersExtPubKeys.map( function (pk) {
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data.copayersBIP32 = data.copayersExtPubKeys.map(function(pk) {
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return new BIP32(pk);
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});
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w.ts = data.ts;
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return w;
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return new PublicKeyRing(data);
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};
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PublicKeyRing.prototype.toObj = function() {
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@ -81,7 +68,7 @@ PublicKeyRing.prototype.toObj = function() {
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copayersExtPubKeys: this.copayersBIP32.map( function (b) {
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return b.extendedPublicKeyString();
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}),
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ts: parseInt(Date.now() / 1000),
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publicKeysCache: this.publicKeysCache
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};
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};
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@ -95,7 +82,6 @@ PublicKeyRing.prototype.registeredCopayers = function () {
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};
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PublicKeyRing.prototype.isComplete = function () {
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return this.registeredCopayers() >= this.totalCopayers;
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};
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@ -134,12 +120,19 @@ PublicKeyRing.prototype.addCopayer = function (newEpk) {
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PublicKeyRing.prototype.getPubKeys = function (index, isChange) {
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this._checkKeys();
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var pubKeys = [];
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var l = this.copayersBIP32.length;
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for(var i=0; i<l; i++) {
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var path = isChange ? PublicKeyRing.ChangeBranch(index) : PublicKeyRing.PublicBranch(index);
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var bip32 = this.copayersBIP32[i].derive(path);
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pubKeys[i] = bip32.eckey.public;
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var path = PublicKeyRing.Branch(index, isChange);
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var pubKeys = this.publicKeysCache[path];
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if (!pubKeys) {
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pubKeys = [];
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var l = this.copayersBIP32.length;
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for(var i=0; i<l; i++) {
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var bip32 = this.copayersBIP32[i].derive(path);
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pubKeys[i] = bip32.eckey.public;
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}
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this.publicKeysCache[path] = pubKeys;
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//console.log('cache fill['+path+']='+pubKeys.length);
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} else {
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//console.log('cache hit!');
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}
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return pubKeys;
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@ -69,7 +69,7 @@ WalletFactory.prototype.read = function(walletId) {
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// JIC: Add our key
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try {
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w.publicKeyRing.addCopayer(
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w.privateKey.getBIP32().extendedPublicKeyString()
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w.privateKey.getExtendedPublicKeyString()
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);
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} catch (e) {
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this.log('NOT NECCESARY AN ERROR:', e); //TODO
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@ -94,7 +94,7 @@ WalletFactory.prototype.create = function(opts) {
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requiredCopayers: requiredCopayers,
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totalCopayers: totalCopayers,
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});
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opts.publicKeyRing.addCopayer(opts.privateKey.getBIP32().extendedPublicKeyString());
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opts.publicKeyRing.addCopayer(opts.privateKey.getExtendedPublicKeyString());
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this.log('\t### PublicKeyRing Initialized');
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opts.txProposals = opts.txProposals || new TxProposals({
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@ -110,7 +110,7 @@ WalletFactory.prototype.create = function(opts) {
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opts.spendUnconfirmed = opts.spendUnconfirmed || this.walletDefaults.spendUnconfirmed;
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opts.requiredCopayers = requiredCopayers;
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opts.totalCopayers = totalCopayers;
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var w = new Wallet(opts);
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var w = new Wallet(opts);
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w.store();
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return w;
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};
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@ -139,7 +139,7 @@ WalletFactory.prototype.openRemote = function(peedId) {
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requiredCopayers: requiredCopayers,
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totalCopayers: totalCopayers,
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});
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opts.publicKeyRing.addCopayer(opts.privateKey.getBIP32().extendedPublicKeyString());
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opts.publicKeyRing.addCopayer(opts.privateKey.getExtendedPublicKeyString());
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this.log('\t### PublicKeyRing Initialized');
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opts.txProposals = opts.txProposals || new TxProposals({
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@ -19,6 +19,7 @@
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</script>
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<script src="test.API.js"></script>
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<script src="test.blockchain.Insight.js"></script>
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<script src="test.performance.js"></script>
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<script src="test.PrivateKey.js"></script>
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<script src="test.PublicKeyRing.js"></script>
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<script src="test.storage.LocalPlain.js"></script>
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@ -24,8 +24,8 @@ describe('PrivateKey model', function() {
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it('should create an instance', function () {
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var w = new PrivateKey(config);
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should.exist(w);
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should.exist(w.BIP32);
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should.exist(w.BIP32.derive);
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should.exist(w.bip);
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should.exist(w.bip.derive);
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});
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it('should derive priv keys', function () {
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@ -76,15 +76,14 @@ describe('PrivateKey model', function() {
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var w1 = new PrivateKey(config);
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var w2 = PrivateKey.fromObj(w1.toObj());
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w2.getBIP32().extendedPrivateKeyString().should.equal(w1.getBIP32().extendedPrivateKeyString());
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w2.getBIP32().extendedPublicKeyString().should.equal(w1.getBIP32().extendedPublicKeyString());
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w2.toObj().extendedPrivateKeyString.should.equal(w1.toObj().extendedPrivateKeyString);
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w2.id.should.equal(w1.id);
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w2.getBIP32(1,1).extendedPrivateKeyString().should
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.equal(w1.getBIP32(1,1).extendedPrivateKeyString());
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w2.getBIP32(1,0).extendedPrivateKeyString().should
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.equal(w1.getBIP32(1,0).extendedPrivateKeyString());
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JSON.stringify(w2.get(1,1).storeObj()).should
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.equal(JSON.stringify(w1.get(1,1).storeObj()));
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JSON.stringify(w2.get(1,0).storeObj()).should
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.equal(JSON.stringify(w1.get(1,0).storeObj()));
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});
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@ -43,7 +43,7 @@ var createPKR = function (bip32s) {
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for(var i=0; i<5; i++) {
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if (bip32s) {
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var b=bip32s[i];
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w.addCopayer(b?b.extendedPublicKeyString():null);
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w.addCopayer(b?b.getExtendedPublicKeyString():null);
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}
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else
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w.addCopayer();
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@ -110,7 +110,7 @@ describe('TxProposals model', function() {
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networkName: config.networkName,
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});
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var start = new Date().getTime();
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var pkr=createPKR([priv.getBIP32()]);
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var pkr=createPKR([priv]);
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var ts = Date.now();
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var isChange=0;
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var index=0;
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@ -150,7 +150,7 @@ describe('TxProposals model', function() {
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var ts = Date.now();
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var isChange=0;
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var index=0;
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var pkr = createPKR([priv.getBIP32()]);
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var pkr = createPKR([priv]);
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var opts = {remainderOut: { address: pkr.generateAddress(true).toString() }};
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@ -225,7 +225,7 @@ var _dumpChunks = function (scriptSig, label) {
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var ts = Date.now();
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var isChange=0;
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var index=0;
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var pkr = createPKR([priv.getBIP32(), priv2.getBIP32()]);
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var pkr = createPKR([priv, priv2]);
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var opts = {remainderOut: { address: pkr.generateAddress(true).toString() }};
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var w = new TxProposals({
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@ -325,7 +325,7 @@ var _dumpChunks = function (scriptSig, label) {
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var ts = Date.now();
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var isChange=0;
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var index=0;
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var pkr = createPKR([priv.getBIP32(), priv2.getBIP32(), priv3.getBIP32() ]);
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var pkr = createPKR([priv, priv2, priv3]);
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var opts = {remainderOut: { address: pkr.generateAddress(true).toString() }};
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var w = new TxProposals({
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@ -416,7 +416,7 @@ var _dumpChunks = function (scriptSig, label) {
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it('#toObj #fromObj roundtrip', function () {
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var priv = new PrivateKey(config);
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var pkr = createPKR([priv.getBIP32()]);
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var pkr = createPKR([priv]);
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var w = new TxProposals({
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walletId: 'qwerty',
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networkName: config.networkName,
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@ -41,7 +41,7 @@ describe('Wallet model', function() {
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requiredCopayers: c.requiredCopayers,
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totalCopayers: c.totalCopayers,
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});
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c.publicKeyRing.addCopayer(c.privateKey.getBIP32().extendedPublicKeyString());
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c.publicKeyRing.addCopayer(c.privateKey.getExtendedPublicKeyString());
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c.txProposals = new copay.TxProposals({
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networkName: c.networkName,
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@ -87,16 +87,16 @@ describe('Wallet model', function() {
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}
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];
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var createW2 = function (bip32s) {
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var createW2 = function (privateKeys) {
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var w = createW();
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should.exist(w);
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var pkr = w.publicKeyRing;
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for(var i=0; i<4; i++) {
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if (bip32s) {
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var b=bip32s[i];
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pkr.addCopayer(b?b.extendedPublicKeyString():null);
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if (privateKeys) {
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var k=privateKeys[i];
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pkr.addCopayer(k?k.getExtendedPublicKeyString():null);
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}
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else
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pkr.addCopayer();
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@ -0,0 +1,69 @@
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'use strict';
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var chai = chai || require('chai');
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var should = chai.should();
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var PrivateKey = require('../js/models/core/PrivateKey');
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var PublicKeyRing = require('../js/models/core/PublicKeyRing');
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describe('Performance tests', function() {
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describe('PrivateKey', function() {
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it('should optimize BIP32 private key gen time with cache', function() {
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var k1 = new PrivateKey();
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var generateN = 25;
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var generated = [];
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var start1 = new Date().getTime();
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for (var i = 0; i < generateN; i++) {
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var k = JSON.stringify(k1.get(i, false).storeObj());
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generated.push(k);
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}
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var delta1 = new Date().getTime() - start1;
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var backup = k1.toObj();
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var k2 = PrivateKey.fromObj(backup);
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var start2 = new Date().getTime();
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for (var i = 0; i < generateN; i++) {
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var k = JSON.stringify(k2.get(i, false).storeObj());
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generated[i].should.equal(k);
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}
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var delta2 = new Date().getTime() - start2;
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delta2.should.be.below(delta1);
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});
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});
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describe('PublicKeyRing', function() {
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var maxN = 7;
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for (var n = 1; n < maxN; n++) {
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for (var m = 1; m <= n; m++) {
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var M = m;
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var N = n;
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(function(M, N) {
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it('should optimize BIP32 publickey gen time with cache for ' + M + '-of-' + N, function() {
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var pkr1 = new PublicKeyRing({
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totalCopayers: N,
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requiredCopayers: M
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});
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for (var i = 0; i < N; i++) {
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pkr1.addCopayer(); // add new random ext public key
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}
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var generateN = 5;
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var generated = [];
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var start1 = new Date().getTime();
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for (var i = 0; i < generateN; i++) {
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var pubKeys = JSON.stringify(pkr1.getPubKeys(i, false));
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generated.push(pubKeys);
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}
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var delta1 = new Date().getTime() - start1;
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var backup = pkr1.toObj();
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var pkr2 = PublicKeyRing.fromObj(backup);
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var start2 = new Date().getTime();
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for (var i = 0; i < generateN; i++) {
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var pubKeys = JSON.stringify(pkr2.getPubKeys(i, false));
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generated[i].should.equal(pubKeys);
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}
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var delta2 = new Date().getTime() - start2;
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delta2.should.be.below(delta1);
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});
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})(M, N);
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}
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}
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});
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});
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@ -50,6 +50,18 @@ var createBundle = function(opts) {
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b.require('./test/mocks/FakeStorage', {
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expose: './mocks/FakeStorage'
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});
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b.require('./js/models/network/WebRTC', {
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expose: '../js/models/network/WebRTC'
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});
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b.require('./js/models/blockchain/Insight', {
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expose: '../js/models/blockchain/Insight'
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});
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b.require('./js/models/core/PrivateKey', {
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expose: '../js/models/core/PrivateKey'
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});
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b.require('./js/models/core/PublicKeyRing', {
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expose: '../js/models/core/PublicKeyRing'
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});
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if (!opts.dontminify) {
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