diff --git a/.bowerrc b/.bowerrc new file mode 100644 index 0000000000..c3a8813e8b --- /dev/null +++ b/.bowerrc @@ -0,0 +1,5 @@ +{ + "directory": "example/js/", + "cwd": "./", + "analytics": false +} \ No newline at end of file diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000000..fac40a5f52 --- /dev/null +++ b/.editorconfig @@ -0,0 +1,12 @@ +root = true + +[*] +indent_style = space +indent_size = 2 +end_of_line = lf +charset = utf-8 +trim_trailing_whitespace = true +insert_final_newline = true + +[*.md] +trim_trailing_whitespace = false \ No newline at end of file diff --git a/.gitignore b/.gitignore index de3a847ace..b0c55cc4e9 100644 --- a/.gitignore +++ b/.gitignore @@ -11,4 +11,7 @@ */**/.DS_Store ethereum/ethereum ethereal/ethereal - +example/js +node_modules +bower_components +npm-debug.log diff --git a/.jshintrc b/.jshintrc new file mode 100644 index 0000000000..c0ec5f89d1 --- /dev/null +++ b/.jshintrc @@ -0,0 +1,50 @@ +{ + "predef": [ + "console", + "require", + "equal", + "test", + "testBoth", + "testWithDefault", + "raises", + "deepEqual", + "start", + "stop", + "ok", + "strictEqual", + "module", + "expect", + "reject", + "impl" + ], + + "esnext": true, + "proto": true, + "node" : true, + "browser" : true, + "browserify" : true, + + "boss" : true, + "curly": false, + "debug": true, + "devel": true, + "eqeqeq": true, + "evil": true, + "forin": false, + "immed": false, + "laxbreak": false, + "newcap": true, + "noarg": true, + "noempty": false, + "nonew": false, + "nomen": false, + "onevar": false, + "plusplus": false, + "regexp": false, + "undef": true, + "sub": true, + "strict": false, + "white": false, + "shadow": true, + "eqnull": true +} \ No newline at end of file diff --git a/.travis.yml b/.travis.yml new file mode 100644 index 0000000000..76a5b361a5 --- /dev/null +++ b/.travis.yml @@ -0,0 +1,6 @@ +language: node_js +node_js: + - "0.10" +# before_script: +# - npm install +# - gulp build \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000000..0f187b8736 --- /dev/null +++ b/LICENSE @@ -0,0 +1,14 @@ +This file is part of ethereum.js. + +ethereum.js is free software: you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +ethereum.js is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with ethereum.js. If not, see . \ No newline at end of file diff --git a/README.md b/README.md index 86e2969bef..539420c3dd 100644 --- a/README.md +++ b/README.md @@ -1,9 +1,57 @@ # Ethereum JavaScript API This is the Ethereum compatible JavaScript API using `Promise`s -which implements the [Generic JSON RPC](https://github.com/ethereum/wiki/wiki/Generic-JSON-RPC) spec. +which implements the [Generic JSON RPC](https://github.com/ethereum/wiki/wiki/Generic-JSON-RPC) spec. It's available on npm as a node module and also for bower and component as an embeddable js -For an example see `index.html`. +### Installation + +## Node.js + + npm install ethereum.js + +## For browser +Bower + + bower install ethereum.js + +Component + + component install ethereum/ethereum.js + +* Include `ethereum.min.js` in your html file. +* Include [es6-promise](https://github.com/jakearchibald/es6-promise) or another ES6-Shim if your browser doesn't support ECMAScript 6. + +### Usage +Require the library: + + var web3 = require('web3'); + +Set a provider (QtProvider, WebSocketProvider, HttpRpcProvider) + + var web3.setProvider(new web3.providers.WebSocketProvider('ws://localhost:40404/eth')); + +There you go, now you can use it: + +``` +web3.eth.coinbase.then(function(result){ + console.log(result); + return web3.eth.balanceAt(result); +}).then(function(balance){ + console.log(web3.toDecimal(balance)); +}).catch(function(err){ + console.log(err); +}); +``` + + +For another example see `example/index.html`. + +### Building + +* `gulp build` + + +### Testing **Please note this repo is in it's early stage.** diff --git a/bower.json b/bower.json new file mode 100644 index 0000000000..b4b7a14270 --- /dev/null +++ b/bower.json @@ -0,0 +1,47 @@ +{ + "name": "ethereum.js", + "namespace": "ethereum", + "version": "0.0.1", + "description": "Ethereum Compatible JavaScript API", + "main": "dist/ethereum.js", + "dependencies": { + "es6-promise": "#master" + }, + "repository": { + "type": "git", + "url": "https://github.com/ethereum/ethereum.js.git" + }, + "bugs": { + "url": "https://github.com/ethereum/ethereum.js/issues" + }, + "keywords": [ + "ethereum", + "javascript", + "API" + ], + "authors": [ + { + "name": "Marek Kotewicz", + "email": "marek@ethdev.com", + "homepage": "https://github.com/debris" + }, + { + "name": "Marian Oancea", + "email": "marian.oancea@gmail.com", + "homepage": "https://github.com/cubedro" + } + ], + "license": "LGPL-3.0", + "ignore": [ + "example", + "lib", + "node_modules", + "package.json", + ".editorconfig", + ".gitignore", + ".jshintrc", + ".travis.yml", + "*.js", + "**/*.txt" + ] +} \ No newline at end of file diff --git a/dist/ethereum.js b/dist/ethereum.js new file mode 100644 index 0000000000..30a0a3797b --- /dev/null +++ b/dist/ethereum.js @@ -0,0 +1,765 @@ +require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o. +*/ +/** @file httprpc.js + * @authors: + * Marek Kotewicz + * Marian Oancea + * @date 2014 + */ + + +var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line + + +var HttpRpcProvider = function (host) { + this.handlers = []; + this.host = host; +}; + +function formatJsonRpcObject(object) { + return { + jsonrpc: '2.0', + method: object.call, + params: object.args, + id: object._id + }; +} + +function formatJsonRpcMessage(message) { + var object = JSON.parse(message); + + return { + _id: object.id, + data: object.result + }; +} + +HttpRpcProvider.prototype.sendRequest = function (payload, cb) { + var data = formatJsonRpcObject(payload); + + var request = new XMLHttpRequest(); + request.open("POST", this.host, true); + request.send(JSON.stringify(data)); + request.onreadystatechange = function () { + if (request.readyState === 4 && cb) { + cb(request); + } + }; +}; + +HttpRpcProvider.prototype.send = function (payload) { + var self = this; + this.sendRequest(payload, function (request) { + self.handlers.forEach(function (handler) { + handler.call(self, formatJsonRpcMessage(request.responseText)); + }); + }); +}; + +HttpRpcProvider.prototype.poll = function (payload, id) { + var self = this; + this.sendRequest(payload, function (request) { + var parsed = JSON.parse(request.responseText); + if (parsed.result instanceof Array ? parsed.result.length === 0 : !parsed.result) { + return; + } + self.handlers.forEach(function (handler) { + handler.call(self, {_event: payload.call, _id: id, data: parsed.result}); + }); + }); +}; + +Object.defineProperty(HttpRpcProvider.prototype, "onmessage", { + set: function (handler) { + this.handlers.push(handler); + } +}); + +module.exports = HttpRpcProvider; + +},{"xmlhttprequest":1}],3:[function(require,module,exports){ +/* +This file is part of ethereum.js. + +ethereum.js is free software: you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +ethereum.js is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with ethereum.js. If not, see . +*/ +/** @file main.js +* @authors: +* Jeffrey Wilcke +* Marek Kotewicz +* Marian Oancea +* @date 2014 +*/ + + +function isPromise(o) { + return o instanceof Promise; +} + +function flattenPromise (obj) { + if (obj instanceof Promise) { + return Promise.resolve(obj); + } + + if (obj instanceof Array) { + return new Promise(function (resolve) { + var promises = obj.map(function (o) { + return flattenPromise(o); + }); + + return Promise.all(promises).then(function (res) { + for (var i = 0; i < obj.length; i++) { + obj[i] = res[i]; + } + resolve(obj); + }); + }); + } + + if (obj instanceof Object) { + return new Promise(function (resolve) { + var keys = Object.keys(obj); + var promises = keys.map(function (key) { + return flattenPromise(obj[key]); + }); + + return Promise.all(promises).then(function (res) { + for (var i = 0; i < keys.length; i++) { + obj[keys[i]] = res[i]; + } + resolve(obj); + }); + }); + } + + return Promise.resolve(obj); +} + +var ethMethods = function () { + var blockCall = function (args) { + return typeof args[0] === "string" ? "blockByHash" : "blockByNumber"; + }; + + var transactionCall = function (args) { + return typeof args[0] === "string" ? 'transactionByHash' : 'transactionByNumber'; + }; + + var uncleCall = function (args) { + return typeof args[0] === "string" ? 'uncleByHash' : 'uncleByNumber'; + }; + + var methods = [ + { name: 'balanceAt', call: 'balanceAt' }, + { name: 'stateAt', call: 'stateAt' }, + { name: 'countAt', call: 'countAt'}, + { name: 'codeAt', call: 'codeAt' }, + { name: 'transact', call: 'transact' }, + { name: 'call', call: 'call' }, + { name: 'block', call: blockCall }, + { name: 'transaction', call: transactionCall }, + { name: 'uncle', call: uncleCall }, + { name: 'compile', call: 'compile' } + ]; + return methods; +}; + +var ethProperties = function () { + return [ + { name: 'coinbase', getter: 'coinbase', setter: 'setCoinbase' }, + { name: 'listening', getter: 'listening', setter: 'setListening' }, + { name: 'mining', getter: 'mining', setter: 'setMining' }, + { name: 'gasPrice', getter: 'gasPrice' }, + { name: 'account', getter: 'account' }, + { name: 'accounts', getter: 'accounts' }, + { name: 'peerCount', getter: 'peerCount' }, + { name: 'defaultBlock', getter: 'defaultBlock', setter: 'setDefaultBlock' }, + { name: 'number', getter: 'number'} + ]; +}; + +var dbMethods = function () { + return [ + { name: 'put', call: 'put' }, + { name: 'get', call: 'get' }, + { name: 'putString', call: 'putString' }, + { name: 'getString', call: 'getString' } + ]; +}; + +var shhMethods = function () { + return [ + { name: 'post', call: 'post' }, + { name: 'newIdentity', call: 'newIdentity' }, + { name: 'haveIdentity', call: 'haveIdentity' }, + { name: 'newGroup', call: 'newGroup' }, + { name: 'addToGroup', call: 'addToGroup' } + ]; +}; + +var ethWatchMethods = function () { + var newFilter = function (args) { + return typeof args[0] === 'string' ? 'newFilterString' : 'newFilter'; + }; + + return [ + { name: 'newFilter', call: newFilter }, + { name: 'uninstallFilter', call: 'uninstallFilter' }, + { name: 'getMessages', call: 'getMessages' } + ]; +}; + +var shhWatchMethods = function () { + return [ + { name: 'newFilter', call: 'shhNewFilter' }, + { name: 'uninstallFilter', call: 'shhUninstallFilter' }, + { name: 'getMessage', call: 'shhGetMessages' } + ]; +}; + +var setupMethods = function (obj, methods) { + methods.forEach(function (method) { + obj[method.name] = function () { + return flattenPromise(Array.prototype.slice.call(arguments)).then(function (args) { + var call = typeof method.call === "function" ? method.call(args) : method.call; + return {call: call, args: args}; + }).then(function (request) { + return new Promise(function (resolve, reject) { + web3.provider.send(request, function (result) { + if (result || typeof result === "boolean") { + resolve(result); + return; + } + reject(result); + }); + }); + }).catch(function( err) { + console.error(err); + }); + }; + }); +}; + +var setupProperties = function (obj, properties) { + properties.forEach(function (property) { + var proto = {}; + proto.get = function () { + return new Promise(function(resolve, reject) { + web3.provider.send({call: property.getter}, function(result) { + resolve(result); + }); + }); + }; + if (property.setter) { + proto.set = function (val) { + return flattenPromise([val]).then(function (args) { + return new Promise(function (resolve) { + web3.provider.send({call: property.setter, args: args}, function (result) { + if (result) { + resolve(result); + } else { + reject(result); + } + }); + }); + }).catch(function (err) { + console.error(err); + }); + }; + } + Object.defineProperty(obj, property.name, proto); + }); +}; + +var web3 = { + _callbacks: {}, + _events: {}, + providers: {}, + toHex: function(str) { + var hex = ""; + for(var i = 0; i < str.length; i++) { + var n = str.charCodeAt(i).toString(16); + hex += n.length < 2 ? '0' + n : n; + } + + return hex; + }, + + toAscii: function(hex) { + // Find termination + var str = ""; + var i = 0, l = hex.length; + for(; i < l; i+=2) { + var code = hex.charCodeAt(i); + if(code === 0) { + break; + } + + str += String.fromCharCode(parseInt(hex.substr(i, 2), 16)); + } + + return str; + }, + + toDecimal: function (val) { + return parseInt(val, 16); + }, + + fromAscii: function(str, pad) { + pad = pad === undefined ? 32 : pad; + var hex = this.toHex(str); + while(hex.length < pad*2) + hex += "00"; + return hex; + }, + + eth: { + prototype: Object(), // jshint ignore:line + watch: function (params) { + return new Filter(params, ethWatch); + } + }, + + db: { + prototype: Object() // jshint ignore:line + }, + + shh: { + prototype: Object(), // jshint ignore:line + watch: function (params) { + return new Filter(params, shhWatch); + } + }, + + on: function(event, id, cb) { + if(web3._events[event] === undefined) { + web3._events[event] = {}; + } + + web3._events[event][id] = cb; + return this; + }, + + off: function(event, id) { + if(web3._events[event] !== undefined) { + delete web3._events[event][id]; + } + + return this; + }, + + trigger: function(event, id, data) { + var callbacks = web3._events[event]; + if (!callbacks || !callbacks[id]) { + return; + } + var cb = callbacks[id]; + cb(data); + } +}; + +var eth = web3.eth; +setupMethods(eth, ethMethods()); +setupProperties(eth, ethProperties()); +setupMethods(web3.db, dbMethods()); +setupMethods(web3.shh, shhMethods()); + +var ethWatch = { + changed: 'changed' +}; +setupMethods(ethWatch, ethWatchMethods()); +var shhWatch = { + changed: 'shhChanged' +}; +setupMethods(shhWatch, shhWatchMethods()); + +var ProviderManager = function() { + this.queued = []; + this.polls = []; + this.ready = false; + this.provider = undefined; + this.id = 1; + + var self = this; + var poll = function () { + if (self.provider && self.provider.poll) { + self.polls.forEach(function (data) { + data.data._id = self.id; + self.id++; + self.provider.poll(data.data, data.id); + }); + } + setTimeout(poll, 12000); + }; + poll(); +}; + +ProviderManager.prototype.send = function(data, cb) { + data._id = this.id; + if (cb) { + web3._callbacks[data._id] = cb; + } + + data.args = data.args || []; + this.id++; + + if(this.provider !== undefined) { + this.provider.send(data); + } else { + console.warn("provider is not set"); + this.queued.push(data); + } +}; + +ProviderManager.prototype.set = function(provider) { + if(this.provider !== undefined && this.provider.unload !== undefined) { + this.provider.unload(); + } + + this.provider = provider; + this.ready = true; +}; + +ProviderManager.prototype.sendQueued = function() { + for(var i = 0; this.queued.length; i++) { + // Resend + this.send(this.queued[i]); + } +}; + +ProviderManager.prototype.installed = function() { + return this.provider !== undefined; +}; + +ProviderManager.prototype.startPolling = function (data, pollId) { + if (!this.provider || !this.provider.poll) { + return; + } + this.polls.push({data: data, id: pollId}); +}; + +ProviderManager.prototype.stopPolling = function (pollId) { + for (var i = this.polls.length; i--;) { + var poll = this.polls[i]; + if (poll.id === pollId) { + this.polls.splice(i, 1); + } + } +}; + +web3.provider = new ProviderManager(); + +web3.setProvider = function(provider) { + provider.onmessage = messageHandler; + web3.provider.set(provider); + web3.provider.sendQueued(); +}; + +var Filter = function(options, impl) { + this.impl = impl; + this.callbacks = []; + + var self = this; + this.promise = impl.newFilter(options); + this.promise.then(function (id) { + self.id = id; + web3.on(impl.changed, id, self.trigger.bind(self)); + web3.provider.startPolling({call: impl.changed, args: [id]}, id); + }); +}; + +Filter.prototype.arrived = function(callback) { + this.changed(callback); +}; + +Filter.prototype.changed = function(callback) { + var self = this; + this.promise.then(function(id) { + self.callbacks.push(callback); + }); +}; + +Filter.prototype.trigger = function(messages) { + for(var i = 0; i < this.callbacks.length; i++) { + this.callbacks[i].call(this, messages); + } +}; + +Filter.prototype.uninstall = function() { + var self = this; + this.promise.then(function (id) { + self.impl.uninstallFilter(id); + web3.provider.stopPolling(id); + web3.off(impl.changed, id); + }); +}; + +Filter.prototype.messages = function() { + var self = this; + return this.promise.then(function (id) { + return self.impl.getMessages(id); + }); +}; + +function messageHandler(data) { + if(data._event !== undefined) { + web3.trigger(data._event, data._id, data.data); + return; + } + + if(data._id) { + var cb = web3._callbacks[data._id]; + if (cb) { + cb.call(this, data.data); + delete web3._callbacks[data._id]; + } + } +} + +/* +// Install default provider +if(!web3.provider.installed()) { + var sock = new web3.providers.WebSocketProvider("ws://localhost:40404/eth"); + + web3.setProvider(sock); +} +*/ + +module.exports = web3; + +},{}],4:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file qt.js + * @authors: + * Marek Kotewicz + * @date 2014 + */ + +var QtProvider = function() { + this.handlers = []; + + var self = this; + navigator.qt.onmessage = function (message) { + self.handlers.forEach(function (handler) { + handler.call(self, JSON.parse(message.data)); + }); + }; +}; + +QtProvider.prototype.send = function(payload) { + navigator.qt.postMessage(JSON.stringify(payload)); +}; + +Object.defineProperty(QtProvider.prototype, "onmessage", { + set: function(handler) { + this.handlers.push(handler); + } +}); + +module.exports = QtProvider; + +},{}],5:[function(require,module,exports){ +/* + This file is part of ethereum.js. + + ethereum.js is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + ethereum.js is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with ethereum.js. If not, see . +*/ +/** @file websocket.js + * @authors: + * Marek Kotewicz + * Marian Oancea + * @date 2014 + */ + +var WebSocket = require('ws'); // jshint ignore:line + + +var WebSocketProvider = function(host) { + // onmessage handlers + this.handlers = []; + // queue will be filled with messages if send is invoked before the ws is ready + this.queued = []; + this.ready = false; + + this.ws = new WebSocket(host); + + var self = this; + this.ws.onmessage = function(event) { + for(var i = 0; i < self.handlers.length; i++) { + self.handlers[i].call(self, JSON.parse(event.data), event); + } + }; + + this.ws.onopen = function() { + self.ready = true; + + for(var i = 0; i < self.queued.length; i++) { + // Resend + self.send(self.queued[i]); + } + }; +}; +WebSocketProvider.prototype.send = function(payload) { + if(this.ready) { + var data = JSON.stringify(payload); + + this.ws.send(data); + } else { + this.queued.push(payload); + } +}; + +WebSocketProvider.prototype.onMessage = function(handler) { + this.handlers.push(handler); +}; + +WebSocketProvider.prototype.unload = function() { + this.ws.close(); +}; +Object.defineProperty(WebSocketProvider.prototype, "onmessage", { + set: function(provider) { this.onMessage(provider); } +}); + +module.exports = WebSocketProvider; + +},{"ws":6}],6:[function(require,module,exports){ + +/** + * Module dependencies. + */ + +var global = (function() { return this; })(); + +/** + * WebSocket constructor. + */ + +var WebSocket = global.WebSocket || global.MozWebSocket; + +/** + * Module exports. + */ + +module.exports = WebSocket ? ws : null; + +/** + * WebSocket constructor. + * + * The third `opts` options object gets ignored in web browsers, since it's + * non-standard, and throws a TypeError if passed to the constructor. + * See: https://github.com/einaros/ws/issues/227 + * + * @param {String} uri + * @param {Array} protocols (optional) + * @param {Object) opts (optional) + * @api public + */ + +function ws(uri, protocols, opts) { + var instance; + if (protocols) { + instance = new WebSocket(uri, protocols); + } else { + instance = new WebSocket(uri); + } + return instance; +} + +if (WebSocket) ws.prototype = WebSocket.prototype; + +},{}],"web3":[function(require,module,exports){ +var web3 = require('./lib/main'); +web3.providers.WebSocketProvider = require('./lib/websocket'); +web3.providers.HttpRpcProvider = require('./lib/httprpc'); +web3.providers.QtProvider = require('./lib/qt'); + +module.exports = web3; +},{"./lib/httprpc":2,"./lib/main":3,"./lib/qt":4,"./lib/websocket":5}]},{},[]); diff --git a/dist/ethereum.min.js b/dist/ethereum.min.js new file mode 100644 index 0000000000..f5fadf79ad --- /dev/null +++ b/dist/ethereum.min.js @@ -0,0 +1 @@ +require=function t(e,n,r){function o(s,a){if(!n[s]){if(!e[s]){var c="function"==typeof require&&require;if(!a&&c)return c(s,!0);if(i)return i(s,!0);var l=new Error("Cannot find module '"+s+"'");throw l.code="MODULE_NOT_FOUND",l}var u=n[s]={exports:{}};e[s][0].call(u.exports,function(t){var n=e[s][1][t];return o(n?n:t)},u,u.exports,t,e,n,r)}return n[s].exports}for(var i="function"==typeof require&&require,s=0;sn;n+=2){var o=t.charCodeAt(n);if(0===o)break;e+=String.fromCharCode(parseInt(t.substr(n,2),16))}return e},toDecimal:function(t){return parseInt(t,16)},fromAscii:function(t,e){e=void 0===e?32:e;for(var n=this.toHex(t);n.length<2*e;)n+="00";return n},eth:{prototype:Object(),watch:function(t){return new m(t,d)}},db:{prototype:Object()},shh:{prototype:Object(),watch:function(t){return new m(t,v)}},on:function(t,e,n){return void 0===f._events[t]&&(f._events[t]={}),f._events[t][e]=n,this},off:function(t,e){return void 0!==f._events[t]&&delete f._events[t][e],this},trigger:function(t,e,n){var r=f._events[t];if(r&&r[e]){var o=r[e];o(n)}}},h=f.eth;u(h,o()),p(h,i()),u(f.db,s()),u(f.shh,a());var d={changed:"changed"};u(d,c());var v={changed:"shhChanged"};u(v,l());var g=function(){this.queued=[],this.polls=[],this.ready=!1,this.provider=void 0,this.id=1;var t=this,e=function(){t.provider&&t.provider.poll&&t.polls.forEach(function(e){e.data._id=t.id,t.id++,t.provider.poll(e.data,e.id)}),setTimeout(e,12e3)};e()};g.prototype.send=function(t,e){t._id=this.id,e&&(f._callbacks[t._id]=e),t.args=t.args||[],this.id++,void 0!==this.provider?this.provider.send(t):(console.warn("provider is not set"),this.queued.push(t))},g.prototype.set=function(t){void 0!==this.provider&&void 0!==this.provider.unload&&this.provider.unload(),this.provider=t,this.ready=!0},g.prototype.sendQueued=function(){for(var t=0;this.queued.length;t++)this.send(this.queued[t])},g.prototype.installed=function(){return void 0!==this.provider},g.prototype.startPolling=function(t,e){this.provider&&this.provider.poll&&this.polls.push({data:t,id:e})},g.prototype.stopPolling=function(t){for(var e=this.polls.length;e--;){var n=this.polls[e];n.id===t&&this.polls.splice(e,1)}},f.provider=new g,f.setProvider=function(t){t.onmessage=r,f.provider.set(t),f.provider.sendQueued()};var m=function(t,e){this.impl=e,this.callbacks=[];var n=this;this.promise=e.newFilter(t),this.promise.then(function(t){n.id=t,f.on(e.changed,t,n.trigger.bind(n)),f.provider.startPolling({call:e.changed,args:[t]},t)})};m.prototype.arrived=function(t){this.changed(t)},m.prototype.changed=function(t){var e=this;this.promise.then(function(){e.callbacks.push(t)})},m.prototype.trigger=function(t){for(var e=0;e - - - - - + + +