bsc/dist/ethereum.js

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<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){

/**
 * Module dependencies.
 */

var global = (function() { return this; })(); // jshint ignore:line

/**
 * XMLHttpRequest constructor.
 */

var XMLHttpRequest = window.XMLHttpRequest; // jshint ignore:line

/**
 * Module exports.
 */

module.exports.XMLHttpRequest = XMLHttpRequest ? xhr : null;

/**
 * XMLHttpRequest constructor.
 *
 * @param {Object) opts (optional)
 * @api public
 */

function xhr(obj) {
  var instance;

  instance = new XMLHttpRequest(obj);

  return instance;
}

if (XMLHttpRequest) xhr.prototype = XMLHttpRequest.prototype;

},{}],2:[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 <http://www.gnu.org/licenses/>.
*/
/** @file httprpc.js
 * @authors:
 *   Marek Kotewicz <marek@ethdev.com>
 *   Marian Oancea <marian@ethdev.com>
 * @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 <http://www.gnu.org/licenses/>.
*/
/** @file main.js
* @authors:
*   Jeffrey Wilcke <jeff@ethdev.com>
*   Marek Kotewicz <marek@ethdev.com>
*   Marian Oancea <marian@ethdev.com>
* @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 <http://www.gnu.org/licenses/>.
*/
/** @file qt.js
 * @authors:
 *   Marek Kotewicz <marek@ethdev.com>
 * @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 <http://www.gnu.org/licenses/>.
*/
/** @file websocket.js
 * @authors:
 *   Marek Kotewicz <marek@ethdev.com>
 *   Marian Oancea <marian@ethdev.com>
 * @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}]},{},[]);