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-rw-r--r--main.js458
1 files changed, 0 insertions, 458 deletions
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-/*
- 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 <http://www.gnu.org/licenses/>.
-*/
-/** @file main.js
- * @authors:
- * Marek Kotewicz <marek@ethdev.com>
- * @date 2014
- */
-
-(function(window) {
- 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(),
- watch: function (params) {
- return new Filter(params, ethWatch);
- },
- },
-
- db: {
- prototype: Object()
- },
-
- shh: {
- prototype: Object(),
- 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.WebSocket("ws://localhost:40404/eth");
-
- web3.setProvider(sock);
- }
- */
-
- window.web3 = web3;
-
-})(this);
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-27 06:05:43 +0800