fix jslint warnings (#561)

This commit is contained in:
bas-vk 2017-02-17 12:13:26 +01:00 committed by Fabian Vogelsteller
parent be528f7436
commit 4653e3fb01
2 changed files with 63 additions and 56 deletions

View File

@ -1,3 +1,5 @@
/*jshint bitwise: false*/
/* /*
This file is part of web3.js. This file is part of web3.js.
@ -15,7 +17,7 @@
along with web3.js. If not, see <http://www.gnu.org/licenses/>. along with web3.js. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @file bloom.js * @file bloom.js
* @author Bas van Kervel <bas@ethereum.org> * @author Bas van Kervel <bas@ethereum.org>
* @date 2017 * @date 2017
@ -28,72 +30,77 @@
* @class [bloom] bloom * @class [bloom] bloom
*/ */
var utils = require('./utils.js'); var utils = require("./utils.js");
var sha3 = require('./sha3.js') var sha3 = require("./sha3.js");
function codePointToInt(codePoint) { function codePointToInt(codePoint) {
if (codePoint >= 48 && codePoint <= 57) /*['0'..'9'] -> [0..9]*/ if (codePoint >= 48 && codePoint <= 57) { /*['0'..'9'] -> [0..9]*/
return codePoint-48; return codePoint-48;
if (codePoint >= 65 && codePoint <= 70) /*['A'..'F'] -> [10..15]*/ }
return codePoint-55;
if (codePoint >= 97 && codePoint <= 102) /*['a'..'f'] -> [10..15]*/ if (codePoint >= 65 && codePoint <= 70) { /*['A'..'F'] -> [10..15]*/
return codePoint-87; return codePoint-55;
}
throw 'invalid bloom';
if (codePoint >= 97 && codePoint <= 102) { /*['a'..'f'] -> [10..15]*/
return codePoint-87;
}
throw "invalid bloom";
} }
function testBytes(bloom, bytes) { function testBytes(bloom, bytes) {
var hash = sha3(bytes, {encoding: 'hex'}); var hash = sha3(bytes, {encoding: "hex"});
for (var i=0; i < 12; i+=4) {
// calculate bit position in bloom fiter that must be active
var bitpos = ((parseInt(hash.substr(i, 2), 16) << 8) + parseInt(hash.substr((i+2), 2), 16)) & 2047;
// test if bitpos in bloom is active
var code = codePointToInt(bloom.charCodeAt(bloom.length-1-Math.floor(bitpos/4)));
var offset = 1 << (bitpos % 4);
if ((code & offset) != offset) { for (var i=0; i < 12; i+=4) {
return false; // calculate bit position in bloom fiter that must be active
} var bitpos = ((parseInt(hash.substr(i, 2), 16) << 8) + parseInt(hash.substr((i+2), 2), 16)) & 2047;
}
// test if bitpos in bloom is active
return true; var code = codePointToInt(bloom.charCodeAt(bloom.length-1-Math.floor(bitpos/4)));
var offset = 1 << (bitpos % 4);
if ((code&offset) !== offset) {
return false;
}
}
return true;
} }
/** /**
* Returns true if address is part of the given bloom. * Returns true if address is part of the given bloom.
* note: false positives are possible. * note: false positives are possible.
* *
* @method testAddress * @method testAddress
* @param {String} hex encoded bloom * @param {String} hex encoded bloom
* @param {String} address in hex notation * @param {String} address in hex notation
* @returns {Boolean} topic is (probably) part of the block * @returns {Boolean} topic is (probably) part of the block
*/ */
var testAddress = function(bloom, address) { var testAddress = function(bloom, address) {
if (!utils.isBloom(bloom)) throw 'invalid bloom'; if (!utils.isBloom(bloom)) throw "invalid bloom";
if (!utils.isAddress(address)) throw 'invalid address'; if (!utils.isAddress(address)) throw "invalid address";
return testBytes(bloom, address); return testBytes(bloom, address);
} };
/** /**
* Returns true if the topic is part of the given bloom. * Returns true if the topic is part of the given bloom.
* note: false positives are possible. * note: false positives are possible.
* *
* @method hasTopic * @method hasTopic
* @param {String} hex encoded bloom * @param {String} hex encoded bloom
* @param {String} address in hex notation * @param {String} address in hex notation
* @returns {Boolean} topic is (probably) part of the block * @returns {Boolean} topic is (probably) part of the block
*/ */
var testTopic = function(bloom, topic) { var testTopic = function(bloom, topic) {
if (!utils.isBloom(bloom)) throw 'invalid bloom'; if (!utils.isBloom(bloom)) throw "invalid bloom";
if (!utils.isTopic(topic)) throw 'invalid topic'; if (!utils.isTopic(topic)) throw "invalid topic";
return testBytes(bloom, topic); return testBytes(bloom, topic);
} };
module.exports = { module.exports = {
testAddress: testAddress, testAddress: testAddress,
testTopic: testTopic, testTopic: testTopic,
}; };

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@ -577,7 +577,7 @@ var isBloom = function (bloom) {
return true; return true;
} }
return false; return false;
} };
/** /**
* Returns true if given string is a valid log topic. * Returns true if given string is a valid log topic.
@ -593,7 +593,7 @@ var isTopic = function (topic) {
return true; return true;
} }
return false; return false;
} };
module.exports = { module.exports = {
padLeft: padLeft, padLeft: padLeft,