solidity methods "overloading"

This commit is contained in:
Marek Kotewicz committed 2015-01-20 15:06:05 +01:00
1 parent 6a58db66f7
commit 380c1522ac
7 files changed
+111 -38

No files matched your search

+51 -15
View File
@@ -331,15 +331,37 @@ var fromAbiOutput = function (json, methodName, output) {
return result;
};
/// @returns display name for method eg. multiply(uint256) -> multiply
var methodDisplayName = function (method) {
var length = method.indexOf('(');
return length !== -1 ? method.substr(0, length) : method;
};
/// @returns overloaded part of method's name
var methodTypeName = function (method) {
/// TODO: make it not vulnerable
var length = method.indexOf('(');
return length !== -1 ? method.substr(length + 1, method.length - 1 - (length + 1)) : "";
};
/// @param json abi for contract
/// @returns input parser object for given json abi
var inputParser = function (json) {
var parser = {};
json.forEach(function (method) {
parser[method.name] = function () {
var displayName = methodDisplayName(method.name);
var typeName = methodTypeName(method.name);
var impl = function () {
var params = Array.prototype.slice.call(arguments);
return toAbiInput(json, method.name, params);
};
if (parser[displayName] === undefined) {
parser[displayName] = impl;
}
parser[displayName][typeName] = impl;
});
return parser;
@@ -350,9 +372,19 @@ var inputParser = function (json) {
var outputParser = function (json) {
var parser = {};
json.forEach(function (method) {
parser[method.name] = function (output) {
var displayName = methodDisplayName(method.name);
var typeName = methodTypeName(method.name);
var impl = function (output) {
return fromAbiOutput(json, method.name, output);
};
if (parser[displayName] === undefined) {
parser[displayName] = impl;
}
parser[displayName][typeName] = impl;
});
return parser;
@@ -362,21 +394,15 @@ var outputParser = function (json) {
/// @param method name for which we want to get method signature
/// @returns (promise) contract method signature for method with given name
var methodSignature = function (json, name) {
var method = json[findMethodIndex(json, name)];
var result = name + '(';
var inputTypes = method.inputs.map(function (inp) {
return inp.type;
});
result += inputTypes.join(',');
result += ')';
return web3.sha3(web3.fromAscii(result));
return web3.sha3(web3.fromAscii(name));
};
module.exports = {
inputParser: inputParser,
outputParser: outputParser,
methodSignature: methodSignature
methodSignature: methodSignature,
methodDisplayName: methodDisplayName,
methodTypeName: methodTypeName
};
@@ -552,12 +578,16 @@ var contract = function (address, desc) {
var contract = {};
desc.forEach(function (method) {
contract[method.name] = function () {
var displayName = abi.methodDisplayName(method.name);
var typeName = abi.methodTypeName(method.name);
var impl = function () {
var params = Array.prototype.slice.call(arguments);
var parsed = inputParser[method.name].apply(null, params);
var parsed = inputParser[displayName][typeName].apply(null, params);
var onSuccess = function (result) {
return outputParser[method.name](result);
return outputParser[displayName][typeName](result);
};
return {
@@ -579,6 +609,12 @@ var contract = function (address, desc) {
}
};
};
if (contract[displayName] === undefined) {
contract[displayName] = impl;
}
contract[displayName][typeName] = impl;
});
return contract;
+3 -3
View File
@@ -14,14 +14,14 @@
"index.js"
],
"names": [],
"mappings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lHA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACzFA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACtFA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AC9HA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACvHA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACzDA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;Line truncated
"mappings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tZA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AClHA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACnGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACtFA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AC9HA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACvHA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AALine truncated
"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 BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\n\nvar web3 = require('./web3'); // jshint ignore:line\n\nBigNumber.config({ ROUNDING_MODE: BigNumber.ROUND_DOWN });\n\nvar ETH_PADDING = 32;\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/// @param sign, by default 0\n/// @returns right aligned string\nvar padLeft = function (string, chars, sign) {\n return new Array(chars - string.length + 1).join(sign ? sign : \"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\nvar arrayType = function (type) {\n return type.slice(-2) === '[]';\n};\n\n/// Formats input value to byte representation of int\n/// If value is negative, return it's two's complement\n/// If the value is floating point, round it down\n/// @returns right-aligned byte representation of int\nvar formatInputInt = function (value) {\n var padding = ETH_PADDING * 2;\n if (value instanceof BigNumber || typeof value === 'number') {\n if (typeof value === 'number')\n value = new BigNumber(value);\n value = value.round();\n\n if (value.lessThan(0)) \n value = new BigNumber(\"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\", 16).plus(value).plus(1);\n value = value.toString(16);\n }\n else if (value.indexOf('0x') === 0)\n value = value.substr(2);\n else if (typeof value === 'string')\n value = formatInputInt(new BigNumber(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\nvar formatInputString = function (value) {\n return web3.fromAscii(value, ETH_PADDING).substr(2);\n};\n\n/// Formats input value to byte representation of bool\n/// @returns right-aligned byte representation bool\nvar formatInputBool = function (value) {\n return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0');\n};\n\n/// Formats input value to byte representation of real\n/// Values are multiplied by 2^m and encoded as integers\n/// @returns byte representation of real\nvar formatInputReal = function (value) {\n return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); \n};\n\nvar dynamicTypeBytes = function (type, value) {\n // TODO: decide what to do with array of strings\n if (arrayType(type) || prefixedType('string')(type))\n return formatInputInt(value.length); \n return \"\";\n};\n\n/// Setups input formatters for solidity types\n/// @returns an array of input formatters \nvar setupInputTypes = function () {\n \n return [\n { type: prefixedType('uint'), format: formatInputInt },\n { type: prefixedType('int'), format: formatInputInt },\n { type: prefixedType('hash'), format: formatInputInt },\n { type: prefixedType('string'), format: formatInputSLine truncated
"/*\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 BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\n\nvar web3 = require('./web3'); // jshint ignore:line\n\nBigNumber.config({ ROUNDING_MODE: BigNumber.ROUND_DOWN });\n\nvar ETH_PADDING = 32;\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/// @param sign, by default 0\n/// @returns right aligned string\nvar padLeft = function (string, chars, sign) {\n return new Array(chars - string.length + 1).join(sign ? sign : \"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\nvar arrayType = function (type) {\n return type.slice(-2) === '[]';\n};\n\n/// Formats input value to byte representation of int\n/// If value is negative, return it's two's complement\n/// If the value is floating point, round it down\n/// @returns right-aligned byte representation of int\nvar formatInputInt = function (value) {\n var padding = ETH_PADDING * 2;\n if (value instanceof BigNumber || typeof value === 'number') {\n if (typeof value === 'number')\n value = new BigNumber(value);\n value = value.round();\n\n if (value.lessThan(0)) \n value = new BigNumber(\"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\", 16).plus(value).plus(1);\n value = value.toString(16);\n }\n else if (value.indexOf('0x') === 0)\n value = value.substr(2);\n else if (typeof value === 'string')\n value = formatInputInt(new BigNumber(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\nvar formatInputString = function (value) {\n return web3.fromAscii(value, ETH_PADDING).substr(2);\n};\n\n/// Formats input value to byte representation of bool\n/// @returns right-aligned byte representation bool\nvar formatInputBool = function (value) {\n return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0');\n};\n\n/// Formats input value to byte representation of real\n/// Values are multiplied by 2^m and encoded as integers\n/// @returns byte representation of real\nvar formatInputReal = function (value) {\n return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); \n};\n\nvar dynamicTypeBytes = function (type, value) {\n // TODO: decide what to do with array of strings\n if (arrayType(type) || prefixedType('string')(type))\n return formatInputInt(value.length); \n return \"\";\n};\n\n/// Setups input formatters for solidity types\n/// @returns an array of input formatters \nvar setupInputTypes = function () {\n \n return [\n { type: prefixedType('uint'), format: formatInputInt },\n { type: prefixedType('int'), format: formatInputInt },\n { type: prefixedType('hash'), format: formatInputInt },\n { type: prefixedType('string'), format: formatInputSLine truncated
"/*\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\nvar web3 = require('./web3'); // jshint ignore:line\nif (\"build\" !== 'build') {/*\n var WebSocket = require('ws'); // 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.send(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\nvar web3 = require('./web3'); // jshint ignore:line\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').call(); // 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 contract.js\n * @authors:\n * Marek Kotewicz <marek@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('./web3'); // jshint ignore:line\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').call(); // 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\n var displayName = abi.methodDisplayName(method.name);\n var typeName = abi.methodTypeName(method.name);\n\n var impl = function () {\n var params = Array.prototype.slice.call(arguments);\n var parsed = inputParser[displayName][typeName].apply(null, params);\n\n var onSuccess = function (result) {\n return outputParser[displayName][typeName](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 if (contract[displayName] === undefined) {\n contract[displayName] = impl;\n }\n\n contract[displayName][typeName] = impl;\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\nvar web3 = require('./web3'); // jshint ignore:line\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",
"/*\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\n/**\n * HttpRpcProvider object prototype is implementing 'provider protocol'\n * Should be used when we want to connect to ethereum backend over http && jsonrpc\n * It's compatible with cpp client\n * The contructor allows to specify host uri\n * This provider is using in-browser polling mechanism\n */\nvar HttpRpcProvider = function (host) {\n this.handlers = [];\n this.host = host;\n};\n\n/// Transforms inner message to proper jsonrpc object\n/// @param inner message object\n/// @returns jsonrpc object\nfunction formatJsonRpcObject(object) {\n return {\n jsonrpc: '2.0',\n method: object.call,\n params: object.args,\n id: object._id\n };\n}\n\n/// Transforms jsonrpc object to inner message\n/// @param incoming jsonrpc message \n/// @returns inner message object\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\n/// Prototype object method \n/// Asynchronously sends request to server\n/// @param payload is inner message object\n/// @param cb is callback which is being called when response is comes back\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\n/// Prototype object method\n/// Should be called when we want to send single api request to server\n/// Asynchronous\n/// On response it passes message to handlers\n/// @param payload is inner message object\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\n/// Prototype object method\n/// Should be called only for polling requests\n/// Asynchronous\n/// On response it passege message to handlers, but only if message's result is true or not empty array\n/// Otherwise response is being silently ignored\n/// @param payload is inner message object\n/// @id is id of poll that we are calling\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\n/// Prototype object property\n/// Should be used to set message handlers for this provider\nObject.defineProperty(HttpRpcProvider.prototype, \"onmessage\", {\n set: function (handler) {\n this.handlers.push(handler);\n }\n});\n\nmodule.exports = HttpRpcProvider;\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 providermanager.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\nvar web3 = require('./web3'); // jshint ignore:line\n\n/**\n * Provider manager object prototype\n * It's responsible for passing messages to providers\n * If no provider is set it's responsible for queuing requests\n * It's also responsible for polling the ethereum node for incoming messages\n * Default poll timeout is 12 seconds\n * If we are running ethereum.js inside ethereum browser, there are backend based tools responsible for polling,\n * and provider manager polling mechanism is not used\n */\nvar ProviderManager = function() {\n this.queued = [];\n this.polls = [];\n this.ready = false;\n this.provider = undefined;\n this.id = 1;\n\n var self = this;\n var poll = function () {\n if (self.provider && self.provider.poll) {\n self.polls.forEach(function (data) {\n data.data._id = self.id;\n self.id++;\n self.provider.poll(data.data, data.id);\n });\n }\n setTimeout(poll, 12000);\n };\n poll();\n};\n\n/// sends outgoing requests, if provider is not available, enqueue the request\nProviderManager.prototype.send = function(data, cb) {\n data._id = this.id;\n if (cb) {\n web3._callbacks[data._id] = cb;\n }\n\n data.args = data.args || [];\n this.id++;\n\n if(this.provider !== undefined) {\n this.provider.send(data);\n } else {\n console.warn(\"provider is not set\");\n this.queued.push(data);\n }\n};\n\n/// setups provider, which will be used for sending messages\nProviderManager.prototype.set = function(provider) {\n if(this.provider !== undefined && this.provider.unload !== undefined) {\n this.provider.unload();\n }\n\n this.provider = provider;\n this.ready = true;\n};\n\n/// resends queued messages\nProviderManager.prototype.sendQueued = function() {\n for(var i = 0; this.queued.length; i++) {\n // Resend\n this.send(this.queued[i]);\n }\n};\n\n/// @returns true if the provider i properly set\nProviderManager.prototype.installed = function() {\n return this.provider !== undefined;\n};\n\n/// this method is only used, when we do not have native qt bindings and have to do polling on our own\n/// should be callled, on start watching for eth/shh changes\nProviderManager.prototype.startPolling = function (data, pollId) {\n if (!this.provider || !this.provider.poll) {\n return;\n }\n this.polls.push({data: data, id: pollId});\n};\n\n/// should be called to stop polling for certain watch changes\nProviderManager.prototype.stopPolling = function (pollId) {\n for (var i = this.polls.length; i--;) {\n var poll = this.polls[i];\n if (poll.id === pollId) {\n this.polls.splice(i, 1);\n }\n }\n};\n\nmodule.exports = ProviderManager;\n\n",
+1 -1
View File
@@ -1 +1 @@
require=function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var u="function"==typeof require&&require;if(!a&&u)return u(s,!0);if(o)return o(s,!0);var f=new Error("Cannot find module '"+s+"'");throw f.code="MODULE_NOT_FOUND",f}var c=n[s]={exports:{}};t[s][0].call(c.exports,function(e){var n=t[s][1][e];return i(n?n:e)},c,c.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s<r.length;s++)i(r[s]);return i}({1:[function(e,t){var n=e("./web3");BigNumber.config({ROUNDING_MODE:BigNumber.ROUND_DOWN});var r=32,i=function(e,t){for(var n=!1,r=0;r<e.length&&!n;r++)n=t(e[r]);return n?r-1:-1},o=function(e,t){return i(e,function(e){return e.name===t})},s=function(e,t,n){return new Array(t-e.length+1).join(n?n:"0")+e},a=function(e){return function(t){return 0===t.indexOf(e)}},u=function(e){return function(t){return e===t}},f=function(e){return"[]"===e.slice(-2)},c=function(e){var t=2*r;return e instanceof BigNumber||"number"==typeof e?("number"==typeof e&&(e=new BigNumber(e)),e=e.round(),e.lessThan(0)&&(e=new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(e).plus(1)),e=e.toString(16)):e=0===e.indexOf("0x")?e.substr(2):"string"==typeof e?c(new BigNumber(e)):(+e).toString(16),s(e,t)},l=function(e){return n.fromAscii(e,r).substr(2)},p=function(e){return"000000000000000000000000000000000000000000000000000000000000000"+(e?"1":"0")},h=function(e){return c(new BigNumber(e).times(new BigNumber(2).pow(128)))},d=function(e,t){return f(e)||a("string")(e)?c(t.length):""},v=function(){return[{type:a("uint"),format:c},{type:a("int"),format:c},{type:a("hash"),format:c},{type:a("string"),format:l},{type:a("real"),format:h},{type:a("ureal"),format:h},{type:u("address"),format:c},{type:u("bool"),format:p}]},g=v(),m=function(e,t,n){var r="",i=o(e,t);if(-1!==i){var s=e[i];return s.inputs.forEach(function(e,t){r+=d(e.type,n[t])}),s.inputs.forEach(function(e,t){for(var i=!1,o=0;o<g.length&&!i;o++)i=g[o].type(s.inputs[t].type,n[t]);i||console.error("input parser does not support type: "+s.inputs[t].type);var a=g[o-1].format,u="";u=f(s.inputs[t].type)?n[t].reduce(function(e,t){return e+a(t)},""):a(n[t]),r+=u}),r}},b=function(e){return"1"===new BigNumber(e.substr(0,1),16).toString(2).substr(0,1)},y=function(e){return b(e)?new BigNumber(e,16).minus(new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new BigNumber(e,16)},_=function(e){return new BigNumber(e,16)},w=function(e){return y(e).dividedBy(new BigNumber(2).pow(128))},P=function(e){return _(e).dividedBy(new BigNumber(2).pow(128))},N=function(e){return"0x"+e},x=function(e){return"0000000000000000000000000000000000000000000000000000000000000001"===e?!0:!1},S=function(e){return n.toAscii(e)},k=function(e){return"0x"+e.slice(e.length-40,e.length)},B=function(e){return f(e)||a("string")(e)?2*r:0},O=function(){return[{type:a("uint"),format:_},{type:a("int"),format:y},{type:a("hash"),format:N},{type:a("string"),format:S},{type:a("real"),format:w},{type:a("ureal"),format:P},{type:u("address"),format:k},{type:u("bool"),format:x}]},A=O(),q=function(e,t,n){var i=o(e,t);if(-1!==i){n=n.slice(2);var s=[],u=e[i],c=2*r,l=u.outputs.reduce(function(e,t){return e+B(t.type)},0),p=n.slice(0,l);return n=n.slice(l),u.outputs.forEach(function(e,t){for(var r=!1,i=0;i<A.length&&!r;i++)r=A[i].type(u.outputs[t].type);r||console.error("output parser does not support type: "+u.outputs[t].type);var o=A[i-1].format;if(f(u.outputs[t].type)){var l=_(p.slice(0,c));p=p.slice(c);for(var h=[],d=0;l>d;d++)h.push(o(n.slice(0,c))),n=n.slice(c);s.push(h)}else a("string")(u.outputs[t].type)?(p=p.slice(c),s.push(o(n.slice(0,c))),n=n.slice(c)):(s.push(o(n.slice(0,c))),n=n.slice(c))}),s}},E=function(e){var t={};return e.forEach(function(n){t[n.name]=function(){var t=Array.prototype.slice.call(arguments);return m(e,n.name,t)}}),t},F=function(e){var t={};return e.forEach(function(n){t[n.name]=function(t){return q(e,n.name,t)}}),t},M=function(e,t){var r=e[o(e,t)],i=t+"(",s=r.inputs.map(function(e){return e.type});return i+=s.join(","),i+=")",n.sha3(n.fromAscii(i))};t.exports={inputParser:E,outputParser:F,methodSignature:M}},{"./web3":8}],2:[function(e,t){var n=e("./web3"),r=function(e){if(!n.haveProvider()){if(this.sendQueue=[],this.onmessageQueue=[],navigator.qt)return void(this.provider=new n.providers.QtProvider);e=e||{};var t={httprpc:e.httprpc||"http://localhost:8080",websockets:e.websockets||"ws://localhost:40404/eth"},r=this,i=function(e){o.close(),e?r.provider=new n.providers.WebSocketProvider(t.websockets):(r.provider=new n.providers.HttpRpcProvider(t.httprpc),r.poll=r.provider.poll.bind(r.provider)),r.sendQueue.forEach(function(e){r.provider.send(e)}),r.onmessageQueue.forEach(function(e){r.provider.onmessage=e})},o=new WebSocket(t.websockets);o.onopen=function(){i(!0)},o.onerror=function(){i(!1)}}};r.prototype.send=function(e){return this.provider?void this.provider.send(e):void this.sendQueue.push(e)},Object.deLine truncated
require=function e(t,n,r){function i(s,a){if(!n[s]){if(!t[s]){var u="function"==typeof require&&require;if(!a&&u)return u(s,!0);if(o)return o(s,!0);var f=new Error("Cannot find module '"+s+"'");throw f.code="MODULE_NOT_FOUND",f}var c=n[s]={exports:{}};t[s][0].call(c.exports,function(e){var n=t[s][1][e];return i(n?n:e)},c,c.exports,e,t,n,r)}return n[s].exports}for(var o="function"==typeof require&&require,s=0;s<r.length;s++)i(r[s]);return i}({1:[function(e,t){var n=e("./web3");BigNumber.config({ROUNDING_MODE:BigNumber.ROUND_DOWN});var r=32,i=function(e,t){for(var n=!1,r=0;r<e.length&&!n;r++)n=t(e[r]);return n?r-1:-1},o=function(e,t){return i(e,function(e){return e.name===t})},s=function(e,t,n){return new Array(t-e.length+1).join(n?n:"0")+e},a=function(e){return function(t){return 0===t.indexOf(e)}},u=function(e){return function(t){return e===t}},f=function(e){return"[]"===e.slice(-2)},c=function(e){var t=2*r;return e instanceof BigNumber||"number"==typeof e?("number"==typeof e&&(e=new BigNumber(e)),e=e.round(),e.lessThan(0)&&(e=new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(e).plus(1)),e=e.toString(16)):e=0===e.indexOf("0x")?e.substr(2):"string"==typeof e?c(new BigNumber(e)):(+e).toString(16),s(e,t)},l=function(e){return n.fromAscii(e,r).substr(2)},p=function(e){return"000000000000000000000000000000000000000000000000000000000000000"+(e?"1":"0")},h=function(e){return c(new BigNumber(e).times(new BigNumber(2).pow(128)))},d=function(e,t){return f(e)||a("string")(e)?c(t.length):""},v=function(){return[{type:a("uint"),format:c},{type:a("int"),format:c},{type:a("hash"),format:c},{type:a("string"),format:l},{type:a("real"),format:h},{type:a("ureal"),format:h},{type:u("address"),format:c},{type:u("bool"),format:p}]},g=v(),m=function(e,t,n){var r="",i=o(e,t);if(-1!==i){var s=e[i];return s.inputs.forEach(function(e,t){r+=d(e.type,n[t])}),s.inputs.forEach(function(e,t){for(var i=!1,o=0;o<g.length&&!i;o++)i=g[o].type(s.inputs[t].type,n[t]);i||console.error("input parser does not support type: "+s.inputs[t].type);var a=g[o-1].format,u="";u=f(s.inputs[t].type)?n[t].reduce(function(e,t){return e+a(t)},""):a(n[t]),r+=u}),r}},b=function(e){return"1"===new BigNumber(e.substr(0,1),16).toString(2).substr(0,1)},y=function(e){return b(e)?new BigNumber(e,16).minus(new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new BigNumber(e,16)},_=function(e){return new BigNumber(e,16)},w=function(e){return y(e).dividedBy(new BigNumber(2).pow(128))},P=function(e){return _(e).dividedBy(new BigNumber(2).pow(128))},N=function(e){return"0x"+e},x=function(e){return"0000000000000000000000000000000000000000000000000000000000000001"===e?!0:!1},S=function(e){return n.toAscii(e)},k=function(e){return"0x"+e.slice(e.length-40,e.length)},O=function(e){return f(e)||a("string")(e)?2*r:0},B=function(){return[{type:a("uint"),format:_},{type:a("int"),format:y},{type:a("hash"),format:N},{type:a("string"),format:S},{type:a("real"),format:w},{type:a("ureal"),format:P},{type:u("address"),format:k},{type:u("bool"),format:x}]},A=B(),q=function(e,t,n){var i=o(e,t);if(-1!==i){n=n.slice(2);var s=[],u=e[i],c=2*r,l=u.outputs.reduce(function(e,t){return e+O(t.type)},0),p=n.slice(0,l);return n=n.slice(l),u.outputs.forEach(function(e,t){for(var r=!1,i=0;i<A.length&&!r;i++)r=A[i].type(u.outputs[t].type);r||console.error("output parser does not support type: "+u.outputs[t].type);var o=A[i-1].format;if(f(u.outputs[t].type)){var l=_(p.slice(0,c));p=p.slice(c);for(var h=[],d=0;l>d;d++)h.push(o(n.slice(0,c))),n=n.slice(c);s.push(h)}else a("string")(u.outputs[t].type)?(p=p.slice(c),s.push(o(n.slice(0,c))),n=n.slice(c)):(s.push(o(n.slice(0,c))),n=n.slice(c))}),s}},E=function(e){var t=e.indexOf("(");return-1!==t?e.substr(0,t):e},F=function(e){var t=e.indexOf("(");return-1!==t?e.substr(t+1,e.length-1-(t+1)):""},M=function(e){var t={};return e.forEach(function(n){var r=E(n.name),i=F(n.name),o=function(){var t=Array.prototype.slice.call(arguments);return m(e,n.name,t)};void 0===t[r]&&(t[r]=o),t[r][i]=o}),t},D=function(e){var t={};return e.forEach(function(n){var r=E(n.name),i=F(n.name),o=function(t){return q(e,n.name,t)};void 0===t[r]&&(t[r]=o),t[r][i]=o}),t},T=function(e,t){return n.sha3(n.fromAscii(t))};t.exports={inputParser:M,outputParser:D,methodSignature:T,methodDisplayName:E,methodTypeName:F}},{"./web3":8}],2:[function(e,t){var n=e("./web3"),r=function(e){if(!n.haveProvider()){if(this.sendQueue=[],this.onmessageQueue=[],navigator.qt)return void(this.provider=new n.providers.QtProvider);e=e||{};var t={httprpc:e.httprpc||"http://localhost:8080",websockets:e.websockets||"ws://localhost:40404/eth"},r=this,i=function(e){o.close(),e?r.provider=new n.providers.WebSocketProvider(t.websockets):(r.provider=new n.providers.HttpRpcProvider(t.httprpc),r.poll=r.provider.poll.bind(r.provider)),r.sendQueue.forEach(function(e){r.provider.send(e)}),r.onmessageQueue.forEach(function(e){r.provider.onmessage=e})Line truncated
+1 -1
View File
@@ -20,7 +20,7 @@
// contract description, this will be autogenerated somehow
var desc = [{
"name": "multiply",
"name": "multiply(uint256)",
"inputs": [
{
"name": "a",
+38 -12
View File
@@ -330,15 +330,37 @@ var fromAbiOutput = function (json, methodName, output) {
return result;
};
/// @returns display name for method eg. multiply(uint256) -> multiply
var methodDisplayName = function (method) {
var length = method.indexOf('(');
return length !== -1 ? method.substr(0, length) : method;
};
/// @returns overloaded part of method's name
var methodTypeName = function (method) {
/// TODO: make it not vulnerable
var length = method.indexOf('(');
return length !== -1 ? method.substr(length + 1, method.length - 1 - (length + 1)) : "";
};
/// @param json abi for contract
/// @returns input parser object for given json abi
var inputParser = function (json) {
var parser = {};
json.forEach(function (method) {
parser[method.name] = function () {
var displayName = methodDisplayName(method.name);
var typeName = methodTypeName(method.name);
var impl = function () {
var params = Array.prototype.slice.call(arguments);
return toAbiInput(json, method.name, params);
};
if (parser[displayName] === undefined) {
parser[displayName] = impl;
}
parser[displayName][typeName] = impl;
});
return parser;
@@ -349,9 +371,19 @@ var inputParser = function (json) {
var outputParser = function (json) {
var parser = {};
json.forEach(function (method) {
parser[method.name] = function (output) {
var displayName = methodDisplayName(method.name);
var typeName = methodTypeName(method.name);
var impl = function (output) {
return fromAbiOutput(json, method.name, output);
};
if (parser[displayName] === undefined) {
parser[displayName] = impl;
}
parser[displayName][typeName] = impl;
});
return parser;
@@ -361,20 +393,14 @@ var outputParser = function (json) {
/// @param method name for which we want to get method signature
/// @returns (promise) contract method signature for method with given name
var methodSignature = function (json, name) {
var method = json[findMethodIndex(json, name)];
var result = name + '(';
var inputTypes = method.inputs.map(function (inp) {
return inp.type;
});
result += inputTypes.join(',');
result += ')';
return web3.sha3(web3.fromAscii(result));
return web3.sha3(web3.fromAscii(name));
};
module.exports = {
inputParser: inputParser,
outputParser: outputParser,
methodSignature: methodSignature
methodSignature: methodSignature,
methodDisplayName: methodDisplayName,
methodTypeName: methodTypeName
};
+13 -3
View File
@@ -53,12 +53,16 @@ var contract = function (address, desc) {
var contract = {};
desc.forEach(function (method) {
contract[method.name] = function () {
var displayName = abi.methodDisplayName(method.name);
var typeName = abi.methodTypeName(method.name);
var impl = function () {
var params = Array.prototype.slice.call(arguments);
var parsed = inputParser[method.name].apply(null, params);
var parsed = inputParser[displayName][typeName].apply(null, params);
var onSuccess = function (result) {
return outputParser[method.name](result);
return outputParser[displayName][typeName](result);
};
return {
@@ -80,6 +84,12 @@ var contract = function (address, desc) {
}
};
};
if (contract[displayName] === undefined) {
contract[displayName] = impl;
}
contract[displayName][typeName] = impl;
});
return contract;
+4 -3
View File
@@ -48,7 +48,6 @@ describe('abi', function() {
assert.equal(parser.test('0.1'), "0000000000000000000000000000000000000000000000000000000000000000");
assert.equal(parser.test('3.9'), "0000000000000000000000000000000000000000000000000000000000000003");
});
it('should parse input uint128', function() {
@@ -321,7 +320,7 @@ describe('abi', function() {
// given
var d = clone(description);
d[0].name = 'helloworld';
d[0].name = 'helloworld(int)';
d[0].inputs = [
{ type: "int" }
];
@@ -331,6 +330,7 @@ describe('abi', function() {
// then
assert.equal(parser.helloworld(1), "0000000000000000000000000000000000000000000000000000000000000001");
assert.equal(parser.helloworld['int'](1), "0000000000000000000000000000000000000000000000000000000000000001");
});
@@ -755,7 +755,7 @@ describe('abi', function() {
// given
var d = clone(description);
d[0].name = 'helloworld';
d[0].name = 'helloworld(int)';
d[0].outputs = [
{ type: "int" }
];
@@ -765,6 +765,7 @@ describe('abi', function() {
// then
assert.equal(parser.helloworld("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
assert.equal(parser.helloworld['int']("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
});