Gruntfile produces proper stand-alone files for browser.

Gruntfile.js

@@ -4,34 +4,29 @@ var through = require('through');
 var undef = "module.exports = undefined;";
 var empty = "module.exports = {};";
 
+// The elliptic package.json is only used for its version
+var ellipticPackage = require('elliptic/package.json');
+ellipticPackage = JSON.stringify({ version: ellipticPackage.version });
+
+// We already have a random Uint8Array browser/node safe source
+var brorand = "var randomBytes = require('ethers-utils').randomBytes; module.exports = function(length) { return randomBytes(length); };";
+
 var transforms = {
-    "ripemd.js": "module.exports = {ripemd160: null}",
-    "precomputed/secp256k1.js": undef,
+    "elliptic/lib/elliptic/precomputed/secp256k1.js": undef,
     "elliptic/curve/edwards.js": empty,
     "elliptic/curve/mont.js": empty,
     "elliptic/lib/elliptic/eddsa/.*": empty,
-    "elliptic/lib/elliptic/eddsa/.*": empty,
-    "elliptic/lib/elliptic/hmac-drbg.js": empty,
-//    "elliptic/package.json" :
+    "elliptic/package.json" : ellipticPackage,
 
-    "base64-js/.*": undef,
-    "browser-resolve:.*": undef,
-    "buffer/.*": undef,
-    "buffer-shims/.*": undef,
-    "cipher-base/.*": undef,
-    "core-util-is/.*": undef,
-    "create-hash/.*": undef,
-    "create-hmac/.*": undef,
-    "events/.*": undef,
-    "hmac-drbg/lib/hmac-drbg.js": undef,
-    "ieee754/.*": undef,
-    "isarray/.*": undef,
-    "pbkdf2/.*": undef,
+    "hash.js/lib/hash/ripemd.js": "module.exports = {ripemd160: null}",
+
+    // brorand (Maybe swap out brorand with out getRandomBytes from utils?
+    "brorand/index.js": brorand,
+//    "browser-resolve/.*": undef,   // If we use the actual brorand, we need this
+
+    // Used by sha3
     "process/.*": undef,
-    "readable-stream/.*": undef,
-    "sha.js/.*": undef,
-    "stream-browserify/.*": undef,
-    "string_decoder/.*": undef,
+
 };
 
 var modified = {};
@@ -39,7 +34,7 @@ var unmodified = {};
 
 function transformFile(path) {
     for (var pattern in transforms) {
-        if (path.match(new RegExp(pattern + '$'))) {
+        if (path.match(new RegExp('/' + pattern + '$'))) {
             modified[pattern] = true;
             return transforms[pattern];
         }
@@ -55,38 +50,74 @@ function transform(path, options) {
     }, function () {
         var transformed = transformFile(path);
         if (transformed != null) {
-            //console.log('Transform: ' + path + ' => ' + transformed);
             data = transformed;
         } else {
             unmodified[path] = true;
-            //console.log('Not transformed:', path);
         }
+        //data = data.replace(/__ETHERS_EXPORT__/g, '__MASKED_ETHERS_EXPORT__');
         //console.log(data.length, 'FOOBAR', path);
         this.queue(data);
         this.queue(null);
     });
 }
 
-function checkBundle(error, source, next) {
-    var passed = Object.keys(unmodified);
-    passed.sort();
-    console.log('Unmodified:');
-    passed.forEach(function(path) {
-        console.log('  ' + path);
-    });
-    /*
-    var skipped = Object.keys(transforms);
-    Object.keys(modified).forEach(function(key) {
-        delete skipped[key];
-    });
-    skipped.sort();
-    if (skipped.length) {
-        console.log('Unused Patterns:');
-        skipped.forEach(function(pattern) {
-            console.log('  ' + pattern);
-        });
+var inflight = 0;
+
+function preBundle(bundle) {
+    inflight++;
+}
+
+function postBundle(error, source, next) {
+    if (error) {
+        console.log(error);
+
+    } else {
+        // We setup the utils instance to be able to create a stand-alone package
+        source = source.toString();
+        var lengthBefore = source.length;
+        var source = source.replace(/"__STAND_ALONE_FALSE__"/g, '"__STAND_ALONE_TRUE__"');
+        if (lengthBefore - source.length !== 1) {
+            next(new Error('multiple stand-alone variables changed'));
+            return;
+        }
     }
-    */
+
+    inflight--
+    if (inflight === 0) {
+
+        // List all files that passed though unchanged
+        var preserved = {};
+        Object.keys(unmodified).forEach(function(filename) {
+            var match = filename.match(/(node_modules.*)$/);
+            if (!match) {
+                match = filename.match(/(ethers\.js.*)$/);
+            }
+            if (!match) {
+                match = [null, filename];
+            }
+            preserved[match[1]] = true;
+        });
+        preserved = Object.keys(preserved);
+        preserved.sort();
+        console.log('Preserved:');
+        preserved.forEach(function(path) {
+            console.log('  ' + path);
+        });
+
+        // Make sure there were no replacement patterns that went unused
+        var skipped = [];
+        for (var key in transforms) {
+            if (!modified[key]) { skipped.push(key); }
+        }
+        skipped.sort();
+        if (skipped.length) {
+            console.log('Unused Patterns:');
+            skipped.forEach(function(pattern) {
+                console.log('  ' + pattern);
+            });
+        }
+    }
+
     next(error, source);
 }
 
@@ -101,16 +132,16 @@ module.exports = function(grunt) {
             'dist/ethers-providers.js': './providers/index.js',
             'dist/ethers-utils.js': './utils/index.js',
             'dist/ethers-wallet.js': './wallet/index.js',
-            'dist/ethers-tests.js': './tests/browser.js',
         },
         options: {
           transform: [
               [ transform, { global: true } ],
           ],
           browserifyOptions: {
-            standalone: 'ethers',
+            //standalone: '_ethers',
           },
-          postBundleCB: checkBundle
+          preBundleCB: preBundle,
+          postBundleCB: postBundle
         },
       },
     },

contracts/index.js

@@ -1,3 +1,5 @@
+'use strict';
+
 var Contract = require('./contract.js');
 var Interface = require('./interface.js');
 
@@ -5,3 +7,6 @@ module.exports = {
     Constract: Contract,
     Interface: Interface,
 }
+
+require('ethers-utils/standalone.js')(module.exports);
+

hdnode/index.js

@@ -257,3 +257,6 @@ module.exports = {
     validMnemonic: validMnemonic,
 };
 
+require('ethers-utils/standalone.js')({
+    HDNode: module.exports
+});

index.js

@@ -1,6 +1,5 @@
 'use strict';
 
-
 /*
 var contracts = require('ethers-contracts');
 var HDNode = require('ethers-hdnode');
@@ -46,3 +45,4 @@ module.exports = {
     _SigningKey: Wallet._SigningKey,
 };
 
+require('ethers-utils/standalone.js')(module.exports);

package.json

@@ -8,6 +8,7 @@
     "version": "grunt dist"
   },
   "dependencies": {
+    "ethers-utils": "2.0.0"
   },
   "devDependencies": {
     "grunt": "^0.4.5",

providers/index.js

@@ -7,6 +7,13 @@ var FallbackProvider = require('./fallback-provider.js');
 var InfuraProvider = require('./infura-provider.js');
 var JsonRpcProvider = require('./json-rpc-provider.js');
 
+function getDefaultProvider(testnet) {
+    return new FallbackProvider([
+        new InfuraProvider(testnet),
+        new EtherscanProvider(testnet),
+    ]);
+}
+
 module.exports = {
     EtherscanProvider: EtherscanProvider,
     FallbackProvider: FallbackProvider,
@@ -15,5 +22,12 @@ module.exports = {
 
     isProvder: Provider.isProvider,
 
-    _Provider: Provider,
+    getDefaultProvider:getDefaultProvider,
+
+    Provider: Provider,
 }
+
+require('ethers-utils/standalone.js')({
+    providers: module.exports
+});
+

providers/package.json

@@ -7,6 +7,7 @@
     "xmlhttprequest": "./browser-xmlhttprequest.js"
   },
   "dependencies": {
+    "ethers-utils": "2.0.0",
     "inherits": "2.0.1",
     "xmlhttprequest": "1.8.0"
   },

utils/hmac.js

@@ -2,18 +2,20 @@
 
 var hash = require('hash.js');
 
+var sha2 = require('./sha2.js');
+
 var convert = require('./convert.js');
 
 // @TODO: Make this use create-hmac in node
 
 function createSha256Hmac(key) {
     if (!key.buffer) { key = convert.arrayify(key); }
-    return new hash.hmac(hash.sha256, key);
+    return new hash.hmac(sha2.createSha256, key);
 }
 
 function createSha512Hmac(key) {
     if (!key.buffer) { key = convert.arrayify(key); }
-    return new hash.hmac(hash.sha512, key);
+    return new hash.hmac(sha2.createSha512, key);
 }
 
 module.exports = {

utils/index.js

@@ -17,15 +17,6 @@ var rlp = require('./rlp.js');
 var utf8 = require('./utf8.js');
 var units = require('./units.js');
 
-////var xmlhttprequest = require('./xmlhttprequest.js');
-
-/*
-function cloneObject(object) {
-    var clone = {};
-    for (var key in object) { clone[key] = object[key]; }
-    return clone;
-}
-*/
 
 module.exports = {
     rlp: rlp,
@@ -68,3 +59,8 @@ module.exports = {
 
     randomBytes: randomBytes,
 }
+
+require('./standalone.js')({
+    utils: module.exports
+});
+

utils/package.json

@@ -13,8 +13,7 @@
     "xmlhttprequest": "1.8.0"
   },
   "browser": {
-    "./random-bytes.js": "./browser-random-bytes.js",
-    "xmlhttprequest": "./browser-xmlhttprequest.js"
+    "./random-bytes.js": "./browser-random-bytes.js"
   },
   "keywords": [
     "ethereum",

utils/standalone.js

@@ -0,0 +1,23 @@
+var defineProperty = require('./properties.js').defineProperty;
+
+function Ethers() { }
+
+function defineEthersValues(values) {
+
+    // This is modified in the Gruntfile.js
+    if ("__STAND_ALONE_FALSE__" !== ("__STAND_ALONE_" + "TRUE__")) {
+        return;
+    }
+
+    if (global.ethers == null) {
+        defineProperty(global, 'ethers', new Ethers());
+    }
+
+    for (var key in values) {
+        if (global.ethers[key] == null) {
+            defineProperty(global.ethers, key, values[key]);
+        }
+    }
+}
+
+module.exports = defineEthersValues;

wallet/index.js

@@ -354,3 +354,8 @@ utils.defineProperty(Wallet, 'summonBrainWallet', function(username, password, p
 utils.defineProperty(Wallet, '_SigningKey', SigningKey);
 
 module.exports = Wallet;
+
+require('ethers-utils/standalone.js')({
+    Wallet: module.exports
+});
+

wallet/secret-storage.js

@@ -1,7 +1,6 @@
 'use strict';
 
 var aes = require('aes-js');
-var pbkdf2 = require('pbkdf2');
 var scrypt = require('scrypt-js');
 var uuid = require('uuid');