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optimize public key generation for BIP32 with cache

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This commit is contained in:
Manuel Araoz 2014-04-17 18:06:55 -03:00
commit 3e8ca41a0a
2 changed files with 64 additions and 37 deletions
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54
test/test.performance.js
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@ -2,32 +2,25 @@
var chai = chai || require('chai');
var should = chai.should();
var PrivateKey = require('../js/models/core/PrivateKey');
var PublicKeyRing = require('../js/models/core/PublicKeyRing');
describe('Performance tests', function() {
var config = {
wallet: {
requiredCopayers: 1,
totalCopayers: 1,
spendUnconfirmed: 1,
},
networkName: 'testnet',
};
describe('PrivateKey', function() {
it('should optimize BIP32 private key gen time with cache', function() {
var k1 = new PrivateKey();
var generateN = 25;
var generated = [];
var start1 = new Date().getTime();
for (var i=0; i<generateN; i++) {
for (var i = 0; i < generateN; i++) {
var k = JSON.stringify(k1.get(i, false).storeObj());
generated.push(k);
}
var delta1 = new Date().getTime() - start1;
var backup = k1.toObj();
var k2 = new PrivateKey(backup);
var k2 = PrivateKey.fromObj(backup);
var start2 = new Date().getTime();
for (var i=0; i<generateN; i++) {
for (var i = 0; i < generateN; i++) {
var k = JSON.stringify(k2.get(i, false).storeObj());
generated[i].should.equal(k);
}
@ -35,5 +28,42 @@ describe('Performance tests', function() {
delta2.should.be.below(delta1);
});
});
describe('PublicKeyRing', function() {
var maxN = 7;
for (var n = 1; n < maxN; n++) {
for (var m = 1; m <= n; m++) {
var M = m;
var N = n;
(function(M, N) {
it('should optimize BIP32 publickey gen time with cache for ' + M + '-of-' + N, function() {
var pkr1 = new PublicKeyRing({
totalCopayers: N,
requiredCopayers: M
});
for (var i = 0; i < N; i++) {
pkr1.addCopayer(); // add new random ext public key
}
var generateN = 5;
var generated = [];
var start1 = new Date().getTime();
for (var i = 0; i < generateN; i++) {
var pubKeys = JSON.stringify(pkr1.getPubKeys(i, false));
generated.push(pubKeys);
}
var delta1 = new Date().getTime() - start1;
var backup = pkr1.toObj();
var pkr2 = PublicKeyRing.fromObj(backup);
var start2 = new Date().getTime();
for (var i = 0; i < generateN; i++) {
var pubKeys = JSON.stringify(pkr2.getPubKeys(i, false));
generated[i].should.equal(pubKeys);
}
var delta2 = new Date().getTime() - start2;
delta2.should.be.below(delta1);
});
})(M, N);
}
}
});
});