"/*\n This file is part of ethereum.js.\n\n ethereum.js is free software: you can redistribute it and/or modify\n it under the terms of the GNU Lesser General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n ethereum.js is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU Lesser General Public License for more details.\n\n You should have received a copy of the GNU Lesser General Public License\n along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file abi.js\n * @authors:\n * Marek Kotewicz <marek@ethdev.com>\n * Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\n// TODO: is these line is supposed to be here? \nif (\"build\" !== 'build') {/*\n var web3 = require('./web3'); // jshint ignore:line\n*/}\n\n// TODO: make these be actually accurate instead of falling back onto JS's doubles.\nvar hexToDec = function (hex) {\n return parseInt(hex, 16).toString();\n};\n\nvar decToHex = function (dec) {\n return parseInt(dec).toString(16);\n};\n\nvar findIndex = function (array, callback) {\n var end = false;\n var i = 0;\n for (; i < array.length && !end; i++) {\n end = callback(array[i]);\n }\n return end ? i - 1 : -1;\n};\n\nvar findMethodIndex = function (json, methodName) {\n return findIndex(json, function (method) {\n return method.name === methodName;\n });\n};\n\nvar padLeft = function (string, chars) {\n return new Array(chars - string.length + 1).join(\"0\") + string;\n};\n\nvar setupInputTypes = function () {\n \n var prefixedType = function (prefix) {\n return function (type, value) {\n var expected = prefix;\n if (type.indexOf(expected) !== 0) {\n return false;\n }\n\n var padding = 32; // override as per the new ABI.\n\n if (prefix === \"string\")\n return web3.fromAscii(value, padding).substr(2);\n if (typeof value === \"number\")\n value = value.toString(16);\n else if (typeof value === \"string\")\n value = web3.toHex(value); \n else if (value.indexOf('0x') === 0)\n value = value.substr(2);\n else\n value = (+value).toString(16);\n return padLeft(value, padding * 2);\n };\n };\n\n var namedType = function (name, formatter) {\n return function (type, value) {\n if (type !== name) {\n return false;\n }\n\n var padding = 32; //override as per the new ABI.\n\n return padLeft(formatter ? formatter(value) : value, padding * 2);\n };\n };\n\n var formatBool = function (value) {\n return value ? '0x1' : '0x0';\n };\n\n return [\n prefixedType('uint'),\n prefixedType('int'),\n prefixedType('hash'),\n prefixedType('string'),\n prefixedType('real'),\n prefixedType('ureal'),\n namedType('address'),\n namedType('bool', formatBool),\n ];\n};\n\nvar inputTypes = setupInputTypes();\n\nvar toAbiInput = function (json, methodName, params) {\n var bytes = \"\";\n var index = findMethodIndex(json, methodName);\n\n if (index === -1) {\n return;\n }\n\n var method = json[index];\n\n for (var i = 0; i < method.inputs.length; i++) {\n var found = false;\n for (var j = 0; j < inputTypes.length && !found; j++) {\n found = inputTypes[j](method.inputs[i].type, params[i]);\n }\n if (!found) {\n console.error('unsupported json type: ' + method.inputs[i].type);\n }\n bytes += found;\n }\n return bytes;\n};\n\nvar setupOutputTypes = function () {\n\n var prefixedType = function (prefix) {\n return function (type) {\n var expe
"/*\n This file is part of ethereum.js.\n\n ethereum.js is free software: you can redistribute it and/or modify\n it under the terms of the GNU Lesser General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n ethereum.js is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU Lesser General Public License for more details.\n\n You should have received a copy of the GNU Lesser General Public License\n along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file autoprovider.js\n * @authors:\n * Marek Kotewicz <marek@ethdev.com>\n * Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\n/*\n * @brief if qt object is available, uses QtProvider,\n * if not tries to connect over websockets\n * if it fails, it uses HttpRpcProvider\n */\n\n// TODO: is these line is supposed to be here? \nif (\"build\" !== 'build') {/*\n var WebSocket = require('ws'); // jshint ignore:line\n var web3 = require('./web3'); // jshint ignore:line\n*/}\n\nvar AutoProvider = function (userOptions) {\n if (web3.haveProvider()) {\n return;\n }\n\n // before we determine what provider we are, we have to cache request\n this.sendQueue = [];\n this.onmessageQueue = [];\n\n if (navigator.qt) {\n this.provider = new web3.providers.QtProvider();\n return;\n }\n\n userOptions = userOptions || {};\n var options = {\n httprpc: userOptions.httprpc || 'http://localhost:8080',\n websockets: userOptions.websockets || 'ws://localhost:40404/eth'\n };\n\n var self = this;\n var closeWithSuccess = function (success) {\n ws.close();\n if (success) {\n self.provider = new web3.providers.WebSocketProvider(options.websockets);\n } else {\n self.provider = new web3.providers.HttpRpcProvider(options.httprpc);\n self.poll = self.provider.poll.bind(self.provider);\n }\n self.sendQueue.forEach(function (payload) {\n self.provider(payload);\n });\n self.onmessageQueue.forEach(function (handler) {\n self.provider.onmessage = handler;\n });\n };\n\n var ws = new WebSocket(options.websockets);\n\n ws.onopen = function() {\n closeWithSuccess(true);\n };\n\n ws.onerror = function() {\n closeWithSuccess(false);\n };\n};\n\nAutoProvider.prototype.send = function (payload) {\n if (this.provider) {\n this.provider.send(payload);\n return;\n }\n this.sendQueue.push(payload);\n};\n\nObject.defineProperty(AutoProvider.prototype, 'onmessage', {\n set: function (handler) {\n if (this.provider) {\n this.provider.onmessage = handler;\n return;\n }\n this.onmessageQueue.push(handler);\n }\n});\n\nmodule.exports = AutoProvider;\n",
"/*\n This file is part of ethereum.js.\n\n ethereum.js is free software: you can redistribute it and/or modify\n it under the terms of the GNU Lesser General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n ethereum.js is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU Lesser General Public License for more details.\n\n You should have received a copy of the GNU Lesser General Public License\n along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file contract.js\n * @authors:\n * Marek Kotewicz <marek@ethdev.com>\n * @date 2014\n */\n\n// TODO: is these line is supposed to be here? \nif (\"build\" !== 'build') {/*\n var web3 = require('./web3'); // jshint ignore:line\n*/}\n\nvar abi = require('./abi');\n\n// method signature length in bytes\nvar ETH_METHOD_SIGNATURE_LENGTH = 4;\n\nvar contract = function (address, desc) {\n var inputParser = abi.inputParser(desc);\n var outputParser = abi.outputParser(desc);\n\n var contract = {};\n\n desc.forEach(function (method) {\n contract[method.name] = function () {\n var params = Array.prototype.slice.call(arguments);\n var parsed = inputParser[method.name].apply(null, params);\n\n var onSuccess = function (result) {\n return outputParser[method.name](result);\n };\n\n return {\n call: function (extra) {\n extra = extra || {};\n extra.to = address;\n return abi.methodSignature(desc, method.name).then(function (signature) {\n extra.data = signature.slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2) + parsed;\n return web3.eth.call(extra).then(onSuccess);\n });\n },\n transact: function (extra) {\n extra = extra || {};\n extra.to = address;\n return abi.methodSignature(desc, method.name).then(function (signature) {\n extra.data = signature.slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2) + parsed;\n return web3.eth.transact(extra).then(onSuccess);\n });\n }\n };\n };\n });\n\n return contract;\n};\n\nmodule.exports = contract;\n",
"/*\n This file is part of ethereum.js.\n\n ethereum.js is free software: you can redistribute it and/or modify\n it under the terms of the GNU Lesser General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n ethereum.js is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU Lesser General Public License for more details.\n\n You should have received a copy of the GNU Lesser General Public License\n along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file httprpc.js\n * @authors:\n * Marek Kotewicz <marek@ethdev.com>\n * Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\n// TODO: is these line is supposed to be here? \nif (\"build\" !== 'build') {/*\n var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line\n*/}\n\nvar HttpRpcProvider = function (host) {\n this.handlers = [];\n this.host = host;\n};\n\nfunction formatJsonRpcObject(object) {\n return {\n jsonrpc: '2.0',\n method: object.call,\n params: object.args,\n id: object._id\n };\n}\n\nfunction formatJsonRpcMessage(message) {\n var object = JSON.parse(message);\n\n return {\n _id: object.id,\n data: object.result,\n error: object.error\n };\n}\n\nHttpRpcProvider.prototype.sendRequest = function (payload, cb) {\n var data = formatJsonRpcObject(payload);\n\n var request = new XMLHttpRequest();\n request.open(\"POST\", this.host, true);\n request.send(JSON.stringify(data));\n request.onreadystatechange = function () {\n if (request.readyState === 4 && cb) {\n cb(request);\n }\n };\n};\n\nHttpRpcProvider.prototype.send = function (payload) {\n var self = this;\n this.sendRequest(payload, function (request) {\n self.handlers.forEach(function (handler) {\n handler.call(self, formatJsonRpcMessage(request.responseText));\n });\n });\n};\n\nHttpRpcProvider.prototype.poll = function (payload, id) {\n var self = this;\n this.sendRequest(payload, function (request) {\n var parsed = JSON.parse(request.responseText);\n if (parsed.error || (parsed.result instanceof Array ? parsed.result.length === 0 : !parsed.result)) {\n return;\n }\n self.handlers.forEach(function (handler) {\n handler.call(self, {_event: payload.call, _id: id, data: parsed.result});\n });\n });\n};\n\nObject.defineProperty(HttpRpcProvider.prototype, \"onmessage\", {\n set: function (handler) {\n this.handlers.push(handler);\n }\n});\n\nmodule.exports = HttpRpcProvider;\n",
"/*\n This file is part of ethereum.js.\n\n ethereum.js is free software: you can redistribute it and/or modify\n it under the terms of the GNU Lesser General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n ethereum.js is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU Lesser General Public License for more details.\n\n You should have received a copy of the GNU Lesser General Public License\n along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file qt.js\n * @authors:\n * Jeffrey Wilcke <jeff@ethdev.com>\n * Marek Kotewicz <marek@ethdev.com>\n * @date 2014\n */\n\nvar QtProvider = function() {\n this.handlers = [];\n\n var self = this;\n navigator.qt.onmessage = function (message) {\n self.handlers.forEach(function (handler) {\n handler.call(self, JSON.parse(message.data));\n });\n };\n};\n\nQtProvider.prototype.send = function(payload) {\n navigator.qt.postMessage(JSON.stringify(payload));\n};\n\nObject.defineProperty(QtProvider.prototype, \"onmessage\", {\n set: function(handler) {\n this.handlers.push(handler);\n }\n});\n\nmodule.exports = QtProvider;\n",
"/*\n This file is part of ethereum.js.\n\n ethereum.js is free software: you can redistribute it and/or modify\n it under the terms of the GNU Lesser General Public License as published by\n the Free Software Foundation, either version 3 of the License, or\n (at your option) any later version.\n\n ethereum.js is distributed in the hope that it will be useful,\n but WITHOUT ANY WARRANTY; without even the implied warranty of\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n GNU Lesser General Public License for more details.\n\n You should have received a copy of the GNU Lesser General Public License\n along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file websocket.js\n * @authors:\n * Jeffrey Wilcke <jeff@ethdev.com>\n * Marek Kotewicz <marek@ethdev.com>\n * Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\n// TODO: is these line is supposed to be here? \nif (\"build\" !== 'build') {/*\n var WebSocket = require('ws'); // jshint ignore:line\n*/}\n\nvar WebSocketProvider = function(host) {\n // onmessage handlers\n this.handlers = [];\n // queue will be filled with messages if send is invoked before the ws is ready\n this.queued = [];\n this.ready = false;\n\n this.ws = new WebSocket(host);\n\n var self = this;\n this.ws.onmessage = function(event) {\n for(var i = 0; i < self.handlers.length; i++) {\n self.handlers[i].call(self, JSON.parse(event.data), event);\n }\n };\n\n this.ws.onopen = function() {\n self.ready = true;\n\n for(var i = 0; i < self.queued.length; i++) {\n // Resend\n self.send(self.queued[i]);\n }\n };\n};\n\nWebSocketProvider.prototype.send = function(payload) {\n if(this.ready) {\n var data = JSON.stringify(payload);\n\n this.ws.send(data);\n } else {\n this.queued.push(payload);\n }\n};\n\nWebSocketProvider.prototype.onMessage = function(handler) {\n this.handlers.push(handler);\n};\n\nWebSocketProvider.prototype.unload = function() {\n this.ws.close();\n};\nObject.defineProperty(WebSocketProvider.prototype, \"onmessage\", {\n set: function(provider) { this.onMessage(provider); }\n});\n\nif (typeof(module) !== \"undefined\")\n module.exports = WebSocketProvider;\n",
