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Diffstat (limited to 'cmd/mist/assets/ext/ethereum.js/lib/utils.js')
-rw-r--r-- | cmd/mist/assets/ext/ethereum.js/lib/utils.js | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/utils.js b/cmd/mist/assets/ext/ethereum.js/lib/utils.js deleted file mode 100644 index 7cc1917e1..000000000 --- a/cmd/mist/assets/ext/ethereum.js/lib/utils.js +++ /dev/null @@ -1,142 +0,0 @@ -/* - This file is part of ethereum.js. - - ethereum.js is free software: you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - ethereum.js is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with ethereum.js. If not, see <http://www.gnu.org/licenses/>. -*/ -/** @file utils.js - * @authors: - * Marek Kotewicz <marek@ethdev.com> - * @date 2015 - */ - -var c = require('./const'); - -/// Finds first index of array element matching pattern -/// @param array -/// @param callback pattern -/// @returns index of element -var findIndex = function (array, callback) { - var end = false; - var i = 0; - for (; i < array.length && !end; i++) { - end = callback(array[i]); - } - return end ? i - 1 : -1; -}; - -/// @returns ascii string representation of hex value prefixed with 0x -var toAscii = function(hex) { -// Find termination - var str = ""; - var i = 0, l = hex.length; - if (hex.substring(0, 2) === '0x') { - i = 2; - } - for (; i < l; i+=2) { - var code = parseInt(hex.substr(i, 2), 16); - if (code === 0) { - break; - } - - str += String.fromCharCode(code); - } - - return str; -}; - -var toHex = function(str) { - var hex = ""; - for(var i = 0; i < str.length; i++) { - var n = str.charCodeAt(i).toString(16); - hex += n.length < 2 ? '0' + n : n; - } - - return hex; -}; - -/// @returns hex representation (prefixed by 0x) of ascii string -var fromAscii = function(str, pad) { - pad = pad === undefined ? 0 : pad; - var hex = toHex(str); - while (hex.length < pad*2) - hex += "00"; - return "0x" + hex; -}; - -/// @returns display name for function/event eg. multiply(uint256) -> multiply -var extractDisplayName = function (name) { - var length = name.indexOf('('); - return length !== -1 ? name.substr(0, length) : name; -}; - -/// @returns overloaded part of function/event name -var extractTypeName = function (name) { - /// TODO: make it invulnerable - var length = name.indexOf('('); - return length !== -1 ? name.substr(length + 1, name.length - 1 - (length + 1)).replace(' ', '') : ""; -}; - -/// Filters all function from input abi -/// @returns abi array with filtered objects of type 'function' -var filterFunctions = function (json) { - return json.filter(function (current) { - return current.type === 'function'; - }); -}; - -/// Filters all events form input abi -/// @returns abi array with filtered objects of type 'event' -var filterEvents = function (json) { - return json.filter(function (current) { - return current.type === 'event'; - }); -}; - -/// used to transform value/string to eth string -/// TODO: use BigNumber.js to parse int -/// TODO: add tests for it! -var toEth = function (str) { - var val = typeof str === "string" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str) : str; - var unit = 0; - var units = c.ETH_UNITS; - while (val > 3000 && unit < units.length - 1) - { - val /= 1000; - unit++; - } - var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2); - var replaceFunction = function($0, $1, $2) { - return $1 + ',' + $2; - }; - - while (true) { - var o = s; - s = s.replace(/(\d)(\d\d\d[\.\,])/, replaceFunction); - if (o === s) - break; - } - return s + ' ' + units[unit]; -}; - -module.exports = { - findIndex: findIndex, - toAscii: toAscii, - fromAscii: fromAscii, - extractDisplayName: extractDisplayName, - extractTypeName: extractTypeName, - filterFunctions: filterFunctions, - filterEvents: filterEvents, - toEth: toEth -}; - |