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Added a few more tests for buffer serialization with bitcoin core test data

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Braydon Fuller 2015-02-16 21:28:39 -05:00
parent abbe63666f
commit 3d6f591ea9
1 changed files with 60 additions and 0 deletions
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test/bloomfilter.js
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@ -2,16 +2,76 @@
var chai = require('chai');
var assert = require('assert');
var bitcore = require('bitcore');
var Data = require('./data/messages');
var P2P = require('../');
var BloomFilter = P2P.BloomFilter;
// convert a hex string to a bytes buffer
function ParseHex(str) {
var result = [];
while (str.length >= 2) {
result.push(parseInt(str.substring(0, 2), 16));
str = str.substring(2, str.length);
}
var buf = new Buffer(result, 16);
return buf;
}
describe('BloomFilter', function() {
it('BloomFilter#fromBuffer and toBuffer methods work', function() {
var testPayload = Data.FILTERLOAD.payload;
var filter = new BloomFilter.fromBuffer(new Buffer(testPayload, 'hex'));
filter.toBuffer().toString('hex').should.equal(testPayload);
});
// test data from: https://github.com/bitcoin/bitcoin/blob/master/src/test/bloom_tests.cpp
it('correctly serialize filter with public keys added', function() {
var privateKey = bitcore.PrivateKey.fromWIF('5Kg1gnAjaLfKiwhhPpGS3QfRg2m6awQvaj98JCZBZQ5SuS2F15C');
var publicKey = privateKey.toPublicKey();
var filter = BloomFilter.create(2, 0.001, 0, BloomFilter.BLOOM_UPDATE_ALL);
filter.insert(publicKey.toBuffer());
filter.insert(bitcore.crypto.Hash.sha256ripemd160(publicKey.toBuffer()));
var expectedFilter = BloomFilter.fromBuffer(ParseHex('038fc16b080000000000000001'));
filter.toBuffer().should.deep.equal(expectedFilter.toBuffer());
});
it('correctly serialize to a buffer', function() {
var filter = BloomFilter.create(3, 0.01, 0, BloomFilter.BLOOM_UPDATE_ALL);
filter.insert(ParseHex('99108ad8ed9bb6274d3980bab5a85c048f0950c8'));
assert(filter.contains(ParseHex('99108ad8ed9bb6274d3980bab5a85c048f0950c8')));
// one bit different in first byte
assert(!filter.contains(ParseHex('19108ad8ed9bb6274d3980bab5a85c048f0950c8')));
filter.insert(ParseHex('b5a2c786d9ef4658287ced5914b37a1b4aa32eee'));
assert(filter.contains(ParseHex("b5a2c786d9ef4658287ced5914b37a1b4aa32eee")));
filter.insert(ParseHex('b9300670b4c5366e95b2699e8b18bc75e5f729c5'));
assert(filter.contains(ParseHex('b9300670b4c5366e95b2699e8b18bc75e5f729c5')));
var actual = filter.toBuffer();
var expected = new Buffer('03614e9b050000000000000001', 'hex');
actual.should.deep.equal(expected);
});
it('correctly deserialize a buffer', function() {
var buffer = new Buffer('03614e9b050000000000000001', 'hex');
var filter = BloomFilter.fromBuffer(buffer);
assert(filter.contains(ParseHex('99108ad8ed9bb6274d3980bab5a85c048f0950c8')));
assert(!filter.contains(ParseHex('19108ad8ed9bb6274d3980bab5a85c048f0950c8')));
assert(filter.contains(ParseHex("b5a2c786d9ef4658287ced5914b37a1b4aa32eee")));
assert(filter.contains(ParseHex('b9300670b4c5366e95b2699e8b18bc75e5f729c5')));
});
});