diff options
| -rw-r--r-- | dist/ethereum.js | 16 | ||||
| -rw-r--r-- | dist/ethereum.js.map | 4 | ||||
| -rw-r--r-- | lib/abi.js | 16 |
3 files changed, 26 insertions, 10 deletions
diff --git a/dist/ethereum.js b/dist/ethereum.js index d7b55b6e4..2ce1346b4 100644 --- a/dist/ethereum.js +++ b/dist/ethereum.js @@ -83,6 +83,8 @@ var namedType = function (name) { /// @returns an array of input formatters var setupInputTypes = function () { + /// Formats input value to byte representation of int + /// @returns right-aligned byte representation of int var formatInt = function (value) { var padding = 32 * 2; if (typeof value === 'number') @@ -96,10 +98,14 @@ var setupInputTypes = function () { return padLeft(value, padding); }; + /// Formats input value to byte representation of string + /// @returns left-algined byte representation of string var formatString = function (value) { return web3.fromAscii(value, 32).substr(2); }; + /// Formats input value to byte representation of bool + /// @returns right-aligned byte representation bool var formatBool = function (value) { return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0'); }; @@ -153,26 +159,28 @@ var toAbiInput = function (json, methodName, params) { /// @returns an array of output formatters var setupOutputTypes = function () { - /// @returns input bytes formatted to int + /// Formats input right-aligned input bytes to int + /// @returns right-aligned input bytes formatted to int var formatInt = function (value) { return value.length <= 8 ? +parseInt(value, 16) : hexToDec(value); }; - /// @returns input bytes formatted to hex + /// @returns right-aligned input bytes formatted to hex var formatHash = function (value) { return "0x" + value; }; - /// @returns input bytes formatted to bool + /// @returns right-aligned input bytes formatted to bool var formatBool = function (value) { return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false; }; - /// @returns input bytes formatted to ascii string + /// @returns left-aligned input bytes formatted to ascii string var formatString = function (value) { return web3.toAscii(value); }; + /// @returns right-aligned input bytes formatted to address var formatAddress = function (value) { return "0x" + value.slice(value.length - 40, value.length); }; diff --git a/dist/ethereum.js.map b/dist/ethereum.js.map index 042ddb86f..4deea76d9 100644 --- a/dist/ethereum.js.map +++ b/dist/ethereum.js.map @@ -14,12 +14,12 @@ "index.js" ], "names": [], - "mappings": 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"file": "generated.js", "sourceRoot": "", "sourcesContent": [ "(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})", - "/*\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\n/// Finds first index of array element matching pattern\n/// @param array\n/// @param callback pattern\n/// @returns index of element\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\n/// @returns a function that is used as a pattern for 'findIndex'\nvar findMethodIndex = function (json, methodName) {\n return findIndex(json, function (method) {\n return method.name === methodName;\n });\n};\n\n/// @param string string to be padded\n/// @param number of characters that result string should have\n/// @returns right aligned string\nvar padLeft = function (string, chars) {\n return new Array(chars - string.length + 1).join(\"0\") + string;\n};\n\n/// @param expected type prefix (string)\n/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false\nvar prefixedType = function (prefix) {\n return function (type) {\n return type.indexOf(prefix) === 0;\n };\n};\n\n/// @param expected type name (string)\n/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false\nvar namedType = function (name) {\n return function (type) {\n return name === type;\n };\n};\n\n/// Setups input formatters for solidity types\n/// @returns an array of input formatters \nvar setupInputTypes = function () {\n \n var formatInt = function (value) {\n var padding = 32 * 2;\n if (typeof value === 'number')\n value = value.toString(16);\n else if (value.indexOf('0x') === 0)\n value = value.substr(2);\n else if (typeof value === 'string')\n value = value.toHex(value);\n else\n value = (+value).toString(16);\n return padLeft(value, padding);\n };\n\n var formatString = function (value) {\n return web3.fromAscii(value, 32).substr(2);\n };\n\n var formatBool = function (value) {\n return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0');\n };\n\n return [\n { type: prefixedType('uint'), format: formatInt },\n { type: prefixedType('int'), format: formatInt },\n { type: prefixedType('hash'), format: formatInt },\n { type: prefixedType('string'), format: formatString }, \n { type: prefixedType('real'), format: formatInt },\n { type: prefixedType('ureal'), format: formatInt },\n { type: namedType('address'), format: formatInt },\n { type: namedType('bool'), format: formatBool }\n ];\n};\n\nvar inputTypes = setupInputTypes();\n\n/// Formats input params to bytes\n/// @param contract json abi\n/// @param name of the method that we want to use\n/// @param array of params that will be formatted to bytes\n/// @returns bytes representation of input params\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 var padding = 32 * 2;\n\n for (var i = 0; i < method.inputs.length; i++) {\n var typeMatch = false;\n for (var j = 0; j < inputTypes.length && !typeMatch; j++) {\n typeMatch = inputTypes[j].type(method.inputs[i].type, params[i]);\n }\n if (!typeMatch) {\n console.error('input parser does not support type: ' + method.inputs[i].type);\n }\n\n var formatter = inputTypes[j - 1].format;\n bytes += (formatter ? formatter(params[i]) : params[i]);\n }\n return bytes;\n};\n\n/// Setups output formaters for solidity types\n/// @returns an array of output formatters\nvar setupOutputTypes = function () {\n\n /// @returns input bytes formatted to int\n var formatInt = function (value) {\n return value.length <= 8 ? +parseInt(value, 16) : hexToDec(value);\n };\n\n /// @returns input bytes formatted to hex\n var formatHash = function (value) {\n return \"0x\" + value;\n };\n\n /// @returns input bytes formatted to bool\n var formatBool = function (value) {\n return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;\n };\n\n /// @returns input bytes formatted to ascii string\n var formatString = function (value) {\n return web3.toAscii(value);\n };\n\n var formatAddress = function (value) {\n return \"0x\" + value.slice(value.length - 40, value.length);\n };\n\n return [\n { type: prefixedType('uint'), format: formatInt },\n { type: prefixedType('int'), format: formatInt },\n { type: prefixedType('hash'), format: formatHash },\n { type: prefixedType('string'), format: formatString },\n { type: prefixedType('real'), format: formatInt },\n { type: prefixedType('ureal'), format: formatInt },\n { type: namedType('address'), format: formatAddress },\n { type: namedType('bool'), format: formatBool }\n ];\n};\n\nvar outputTypes = setupOutputTypes();\n\n/// Formats output bytes back to param list\n/// @param contract json abi\n/// @param name of the method that we want to use\n/// @param bytes representtion of output \n/// @returns array of output params \nvar fromAbiOutput = function (json, methodName, output) {\n var index = findMethodIndex(json, methodName);\n\n if (index === -1) {\n return;\n }\n\n output = output.slice(2);\n\n var result = [];\n var method = json[index];\n var padding = 32 * 2;\n for (var i = 0; i < method.outputs.length; i++) {\n var typeMatch = false;\n for (var j = 0; j < outputTypes.length && !typeMatch; j++) {\n typeMatch = outputTypes[j].type(method.outputs[i].type);\n }\n\n if (!typeMatch) {\n // not found output parsing\n console.error('output parser does not support type: ' + method.outputs[i].type);\n continue;\n }\n var res = output.slice(0, padding);\n var formatter = outputTypes[j - 1].format;\n result.push(formatter ? formatter(res) : (\"0x\" + res));\n output = output.slice(padding);\n }\n\n return result;\n};\n\n/// @param json abi for contract\n/// @returns input parser object for given json abi\nvar inputParser = function (json) {\n var parser = {};\n json.forEach(function (method) {\n parser[method.name] = function () {\n var params = Array.prototype.slice.call(arguments);\n return toAbiInput(json, method.name, params);\n };\n });\n\n return parser;\n};\n\n/// @param json abi for contract\n/// @returns output parser for given json abi\nvar outputParser = function (json) {\n var parser = {};\n json.forEach(function (method) {\n parser[method.name] = function (output) {\n return fromAbiOutput(json, method.name, output);\n };\n });\n\n return parser;\n};\n\n/// @param json abi for contract\n/// @param method name for which we want to get method signature\n/// @returns (promise) contract method signature for method with given name\nvar methodSignature = function (json, name) {\n var method = json[findMethodIndex(json, name)];\n var result = name + '(';\n var inputTypes = method.inputs.map(function (inp) {\n return inp.type;\n });\n result += inputTypes.join(',');\n result += ')';\n\n return web3.sha3(web3.fromAscii(result));\n};\n\nmodule.exports = {\n inputParser: inputParser,\n outputParser: outputParser,\n methodSignature: methodSignature\n};\n\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 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\n/// Finds first index of array element matching pattern\n/// @param array\n/// @param callback pattern\n/// @returns index of element\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\n/// @returns a function that is used as a pattern for 'findIndex'\nvar findMethodIndex = function (json, methodName) {\n return findIndex(json, function (method) {\n return method.name === methodName;\n });\n};\n\n/// @param string string to be padded\n/// @param number of characters that result string should have\n/// @returns right aligned string\nvar padLeft = function (string, chars) {\n return new Array(chars - string.length + 1).join(\"0\") + string;\n};\n\n/// @param expected type prefix (string)\n/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false\nvar prefixedType = function (prefix) {\n return function (type) {\n return type.indexOf(prefix) === 0;\n };\n};\n\n/// @param expected type name (string)\n/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false\nvar namedType = function (name) {\n return function (type) {\n return name === type;\n };\n};\n\n/// Setups input formatters for solidity types\n/// @returns an array of input formatters \nvar setupInputTypes = function () {\n \n /// Formats input value to byte representation of int\n /// @returns right-aligned byte representation of int\n var formatInt = function (value) {\n var padding = 32 * 2;\n if (typeof value === 'number')\n value = value.toString(16);\n else if (value.indexOf('0x') === 0)\n value = value.substr(2);\n else if (typeof value === 'string')\n value = value.toHex(value);\n else\n value = (+value).toString(16);\n return padLeft(value, padding);\n };\n\n /// Formats input value to byte representation of string\n /// @returns left-algined byte representation of string\n var formatString = function (value) {\n return web3.fromAscii(value, 32).substr(2);\n };\n\n /// Formats input value to byte representation of bool\n /// @returns right-aligned byte representation bool\n var formatBool = function (value) {\n return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0');\n };\n\n return [\n { type: prefixedType('uint'), format: formatInt },\n { type: prefixedType('int'), format: formatInt },\n { type: prefixedType('hash'), format: formatInt },\n { type: prefixedType('string'), format: formatString }, \n { type: prefixedType('real'), format: formatInt },\n { type: prefixedType('ureal'), format: formatInt },\n { type: namedType('address'), format: formatInt },\n { type: namedType('bool'), format: formatBool }\n ];\n};\n\nvar inputTypes = setupInputTypes();\n\n/// Formats input params to bytes\n/// @param contract json abi\n/// @param name of the method that we want to use\n/// @param array of params that will be formatted to bytes\n/// @returns bytes representation of input params\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 var padding = 32 * 2;\n\n for (var i = 0; i < method.inputs.length; i++) {\n var typeMatch = false;\n for (var j = 0; j < inputTypes.length && !typeMatch; j++) {\n typeMatch = inputTypes[j].type(method.inputs[i].type, params[i]);\n }\n if (!typeMatch) {\n console.error('input parser does not support type: ' + method.inputs[i].type);\n }\n\n var formatter = inputTypes[j - 1].format;\n bytes += (formatter ? formatter(params[i]) : params[i]);\n }\n return bytes;\n};\n\n/// Setups output formaters for solidity types\n/// @returns an array of output formatters\nvar setupOutputTypes = function () {\n\n /// Formats input right-aligned input bytes to int\n /// @returns right-aligned input bytes formatted to int\n var formatInt = function (value) {\n return value.length <= 8 ? +parseInt(value, 16) : hexToDec(value);\n };\n\n /// @returns right-aligned input bytes formatted to hex\n var formatHash = function (value) {\n return \"0x\" + value;\n };\n\n /// @returns right-aligned input bytes formatted to bool\n var formatBool = function (value) {\n return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;\n };\n\n /// @returns left-aligned input bytes formatted to ascii string\n var formatString = function (value) {\n return web3.toAscii(value);\n };\n\n /// @returns right-aligned input bytes formatted to address\n var formatAddress = function (value) {\n return \"0x\" + value.slice(value.length - 40, value.length);\n };\n\n return [\n { type: prefixedType('uint'), format: formatInt },\n { type: prefixedType('int'), format: formatInt },\n { type: prefixedType('hash'), format: formatHash },\n { type: prefixedType('string'), format: formatString },\n { type: prefixedType('real'), format: formatInt },\n { type: prefixedType('ureal'), format: formatInt },\n { type: namedType('address'), format: formatAddress },\n { type: namedType('bool'), format: formatBool }\n ];\n};\n\nvar outputTypes = setupOutputTypes();\n\n/// Formats output bytes back to param list\n/// @param contract json abi\n/// @param name of the method that we want to use\n/// @param bytes representtion of output \n/// @returns array of output params \nvar fromAbiOutput = function (json, methodName, output) {\n var index = findMethodIndex(json, methodName);\n\n if (index === -1) {\n return;\n }\n\n output = output.slice(2);\n\n var result = [];\n var method = json[index];\n var padding = 32 * 2;\n for (var i = 0; i < method.outputs.length; i++) {\n var typeMatch = false;\n for (var j = 0; j < outputTypes.length && !typeMatch; j++) {\n typeMatch = outputTypes[j].type(method.outputs[i].type);\n }\n\n if (!typeMatch) {\n // not found output parsing\n console.error('output parser does not support type: ' + method.outputs[i].type);\n continue;\n }\n var res = output.slice(0, padding);\n var formatter = outputTypes[j - 1].format;\n result.push(formatter ? formatter(res) : (\"0x\" + res));\n output = output.slice(padding);\n }\n\n return result;\n};\n\n/// @param json abi for contract\n/// @returns input parser object for given json abi\nvar inputParser = function (json) {\n var parser = {};\n json.forEach(function (method) {\n parser[method.name] = function () {\n var params = Array.prototype.slice.call(arguments);\n return toAbiInput(json, method.name, params);\n };\n });\n\n return parser;\n};\n\n/// @param json abi for contract\n/// @returns output parser for given json abi\nvar outputParser = function (json) {\n var parser = {};\n json.forEach(function (method) {\n parser[method.name] = function (output) {\n return fromAbiOutput(json, method.name, output);\n };\n });\n\n return parser;\n};\n\n/// @param json abi for contract\n/// @param method name for which we want to get method signature\n/// @returns (promise) contract method signature for method with given name\nvar methodSignature = function (json, name) {\n var method = json[findMethodIndex(json, name)];\n var result = name + '(';\n var inputTypes = method.inputs.map(function (inp) {\n return inp.type;\n });\n result += inputTypes.join(',');\n result += ')';\n\n return web3.sha3(web3.fromAscii(result));\n};\n\nmodule.exports = {\n inputParser: inputParser,\n outputParser: outputParser,\n methodSignature: methodSignature\n};\n\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 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\n/**\n * AutoProvider object prototype is implementing 'provider protocol'\n * Automatically tries to setup correct provider(Qt, WebSockets or HttpRpc)\n * First it checkes if we are ethereum browser (if navigator.qt object is available)\n * if yes, we are using QtProvider\n * if no, we check if it is possible to establish websockets connection with ethereum (ws://localhost:40404/eth is default)\n * if it's not possible, we are using httprpc provider (http://localhost:8080)\n * The constructor allows you to specify uris on which we are trying to connect over http or websockets\n * You can do that by passing objects with fields httrpc and websockets\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\n/// Sends message forward to the provider, that is being used\n/// if provider is not yet set, enqueues the message\nAutoProvider.prototype.send = function (payload) {\n if (this.provider) {\n this.provider.send(payload);\n return;\n }\n this.sendQueue.push(payload);\n};\n\n/// On incoming message sends the message to the provider that is currently being used\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\n/**\n * This method should be called when we want to call / transact some solidity method from javascript\n * it returns an object which has same methods available as solidity contract description\n * usage example: \n *\n * var abi = [{\n * name: 'myMethod',\n * inputs: [{ name: 'a', type: 'string' }],\n * outputs: [{name 'd', type: 'string' }]\n * }]; // contract abi\n *\n * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object\n *\n * myContract.myMethod('this is test string param for call').cal(); // myMethod call\n * myContract.myMethod('this is test string param for transact').transact() // myMethod transact\n *\n * @param address - address of the contract, which should be called\n * @param desc - abi json description of the contract, which is being created\n * @returns contract object\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", "/*\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 filter.js\n * @authors:\n * Jeffrey Wilcke <jeff@ethdev.com>\n * Marek Kotewicz <marek@ethdev.com>\n * Marian Oancea <marian@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/// should be used when we want to watch something\n/// it's using inner polling mechanism and is notified about changes\nvar Filter = function(options, impl) {\n this.impl = impl;\n this.callbacks = [];\n\n var self = this;\n this.promise = impl.newFilter(options);\n this.promise.then(function (id) {\n self.id = id;\n web3.on(impl.changed, id, self.trigger.bind(self));\n web3.provider.startPolling({call: impl.changed, args: [id]}, id);\n });\n};\n\n/// alias for changed*\nFilter.prototype.arrived = function(callback) {\n this.changed(callback);\n};\n\n/// gets called when there is new eth/shh message\nFilter.prototype.changed = function(callback) {\n var self = this;\n this.promise.then(function(id) {\n self.callbacks.push(callback);\n });\n};\n\n/// trigger calling new message from people\nFilter.prototype.trigger = function(messages) {\n for(var i = 0; i < this.callbacks.length; i++) {\n this.callbacks[i].call(this, messages);\n }\n};\n\n/// should be called to uninstall current filter\nFilter.prototype.uninstall = function() {\n var self = this;\n this.promise.then(function (id) {\n self.impl.uninstallFilter(id);\n web3.provider.stopPolling(id);\n web3.off(impl.changed, id);\n });\n};\n\n/// should be called to manually trigger getting latest messages from the client\nFilter.prototype.messages = function() {\n var self = this;\n return this.promise.then(function (id) {\n return self.impl.getMessages(id);\n });\n};\n\n/// alias for messages\nFilter.prototype.logs = function () {\n return this.messages();\n};\n\nmodule.exports = Filter;\n", diff --git a/lib/abi.js b/lib/abi.js index e147a3504..29d3e3e4b 100644 --- a/lib/abi.js +++ b/lib/abi.js @@ -82,6 +82,8 @@ var namedType = function (name) { /// @returns an array of input formatters var setupInputTypes = function () { + /// Formats input value to byte representation of int + /// @returns right-aligned byte representation of int var formatInt = function (value) { var padding = 32 * 2; if (typeof value === 'number') @@ -95,10 +97,14 @@ var setupInputTypes = function () { return padLeft(value, padding); }; + /// Formats input value to byte representation of string + /// @returns left-algined byte representation of string var formatString = function (value) { return web3.fromAscii(value, 32).substr(2); }; + /// Formats input value to byte representation of bool + /// @returns right-aligned byte representation bool var formatBool = function (value) { return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0'); }; @@ -152,26 +158,28 @@ var toAbiInput = function (json, methodName, params) { /// @returns an array of output formatters var setupOutputTypes = function () { - /// @returns input bytes formatted to int + /// Formats input right-aligned input bytes to int + /// @returns right-aligned input bytes formatted to int var formatInt = function (value) { return value.length <= 8 ? +parseInt(value, 16) : hexToDec(value); }; - /// @returns input bytes formatted to hex + /// @returns right-aligned input bytes formatted to hex var formatHash = function (value) { return "0x" + value; }; - /// @returns input bytes formatted to bool + /// @returns right-aligned input bytes formatted to bool var formatBool = function (value) { return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false; }; - /// @returns input bytes formatted to ascii string + /// @returns left-aligned input bytes formatted to ascii string var formatString = function (value) { return web3.toAscii(value); }; + /// @returns right-aligned input bytes formatted to address var formatAddress = function (value) { return "0x" + value.slice(value.length - 40, value.length); }; |