Merge pull request #273 from ryanxcharles/feature/refactor-node-browser
WIP: Node/browser refactor
This commit is contained in:
Ryan X. Charles
commit
aa145c4f6c
116
lib/Key.js
116
lib/Key.js
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@ -1,115 +1,5 @@
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if (process.versions) {
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// c++ native version
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var KeyModule = require('bindings')('KeyModule');
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var Key = KeyModule.Key;
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module.exports = Key;
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} else {
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// pure js version
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var ECKey = require('../browser/vendor-bundle.js').ECKey;
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var buffertools = require('buffertools');
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var kSpec = function() {
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this._pub = null;
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this.compressed = true; // default
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};
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var bufferToArray = kSpec.bufferToArray = function(buffer) {
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var ret = [];
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var l = buffer.length;
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for(var i =0; i<l; i++) {
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ret.push(buffer.readUInt8(i));
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}
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return ret;
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}
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Object.defineProperty(kSpec.prototype, 'public', {
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set: function(p){
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if (!Buffer.isBuffer(p) ) {
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throw new Error('Arg should be a buffer');
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}
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var type = p[0];
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this.compressed = type!==0x04;
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this._pub = p;
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},
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get: function(){
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return this._pub;
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}
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});
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kSpec.generateSync = function() {
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var eck = new ECKey();
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eck.setCompressed(true);
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var pub = eck.getPub();
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var ret = new kSpec();
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ret.private = new Buffer(eck.priv.toByteArrayUnsigned());
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ret.public = new Buffer(pub);
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return ret;
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};
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kSpec.prototype.regenerateSync = function() {
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if (!this.private) {
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throw new Error('Key does not have a private key set');
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}
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var eck = new ECKey(buffertools.toHex(this.private));
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eck.setCompressed(this.compressed);
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this.public = new Buffer(eck.getPub());
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return this;
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};
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kSpec.prototype.signSync = function(hash) {
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if (!this.private) {
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throw new Error('Key does not have a private key set');
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}
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if (!Buffer.isBuffer(hash) || hash.length !== 32) {
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throw new Error('Arg should be a 32 bytes hash buffer');
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}
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var eck = new ECKey(buffertools.toHex(this.private));
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eck.setCompressed(this.compressed);
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var signature = eck.sign(bufferToArray(hash));
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// return it as a buffer to keep c++ compatibility
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return new Buffer(signature);
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};
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kSpec.prototype.verifySignature = function(hash, sig, callback) {
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try {
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var result = this.verifySignatureSync(hash, sig);
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callback(null, result);
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} catch (e) {
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callback(e);
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}
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};
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kSpec.prototype.verifySignatureSync = function(hash, sig) {
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var self = this;
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if (!Buffer.isBuffer(hash) || hash.length !== 32) {
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throw new Error('Arg 1 should be a 32 bytes hash buffer');
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}
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if (!Buffer.isBuffer(sig)) {
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throw new Error('Arg 2 should be a buffer');
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}
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if (!self.public) {
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throw new Error('Key does not have a public key set');
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}
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var eck = new ECKey();
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eck.setPub(bufferToArray(self.public));
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eck.setCompressed(self.compressed);
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var sigA = bufferToArray(sig);
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var ret = eck.verify(bufferToArray(hash),sigA);
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return ret;
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};
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module.exports = kSpec;
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module.exports = require('./node/Key');
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return;
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}
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module.exports = require('./browser/Key');
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141
lib/Point.js
141
lib/Point.js
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@ -1,138 +1,5 @@
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"use strict";
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var imports = require('soop').imports();
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var Key = imports.Key || require('./Key');
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var bignum = imports.bignum || require('bignum');
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var assert = require('assert');
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//browser
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if (!process.versions) {
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var ECKey = require('../browser/vendor-bundle.js').ECKey;
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var ECPointFp = require('../browser/vendor-bundle.js').ECPointFp;
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var ECFieldElementFp = require('../browser/vendor-bundle.js').ECFieldElementFp;
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var getSECCurveByName = require('../browser/vendor-bundle.js').getSECCurveByName;
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var BigInteger = require('../browser/vendor-bundle.js').BigInteger;
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var should = require('chai').should();
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if (process.versions) {
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module.exports = require('./node/Point');
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return;
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}
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//a point on the secp256k1 curve
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//x and y are bignums
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var Point = function(x, y) {
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this.x = x;
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this.y = y;
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};
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Point.add = function(p1, p2) {
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//node
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if (process.versions) {
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var key1 = p1.toKey();
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key1.compressed = false;
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var key2 = p2.toKey();
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key2.compressed = false;
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var pubKey = Key.addUncompressed(key1.public, key2.public);
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var key = new Key();
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key.compressed = false;
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key.public = pubKey;
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key.compressed = true;
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return Point.fromKey(key);
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}
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//browser
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else {
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var ecparams = getSECCurveByName('secp256k1');
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var p1xhex = p1.x.toBuffer({size: 32}).toString('hex');
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var p1x = new BigInteger(p1xhex, 16);
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var p1yhex = p1.y.toBuffer({size: 32}).toString('hex');
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var p1y = new BigInteger(p1yhex, 16);
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var p1px = new ECFieldElementFp(ecparams.getCurve().getQ(), p1x);
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var p1py = new ECFieldElementFp(ecparams.getCurve().getQ(), p1y);
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var p1p = new ECPointFp(ecparams.getCurve(), p1px, p1py);
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var p2xhex = p2.x.toBuffer({size: 32}).toString('hex');
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var p2x = new BigInteger(p2xhex, 16);
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var p2yhex = p2.y.toBuffer({size: 32}).toString('hex');
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var p2y = new BigInteger(p2yhex, 16);
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var p2px = new ECFieldElementFp(ecparams.getCurve().getQ(), p2x);
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var p2py = new ECFieldElementFp(ecparams.getCurve().getQ(), p2y);
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var p2p = new ECPointFp(ecparams.getCurve(), p2px, p2py);
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var p = p1p.add(p2p);
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var point = new Point();
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var pointxbuf = new Buffer(p.getX().toBigInteger().toByteArrayUnsigned());
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point.x = bignum.fromBuffer(pointxbuf, {size: pointxbuf.length});
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assert(pointxbuf.length <= 32);
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var pointybuf = new Buffer(p.getY().toBigInteger().toByteArrayUnsigned());
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assert(pointybuf.length <= 32);
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point.y = bignum.fromBuffer(pointybuf, {size: pointybuf.length});
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return point;
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}
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};
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//convert the public key of a Key into a Point
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Point.fromKey = function(key) {
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//node
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if (process.versions) {
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var point = new Point();
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var pubKeyBuf = new Buffer(key.public);
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var key2 = new Key();
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key2.compressed = key.compressed;
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key2.public = pubKeyBuf;
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key2.compressed = false;
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point.x = bignum.fromBuffer(key2.public.slice(1, 33), {size: 32});
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point.y = bignum.fromBuffer(key2.public.slice(33, 65), {size: 32});
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return point;
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}
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//browser
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else {
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var point = new Point();
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var pubKeyBuf = new Buffer(key.public);
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var key2 = new ECKey();
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key2.setCompressed(key.compressed);
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key2.setPub(Key.bufferToArray(pubKeyBuf));
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key2.setCompressed(false);
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point.x = bignum.fromBuffer((new Buffer(key2.getPub())).slice(1, 33), {size: 32});
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point.y = bignum.fromBuffer((new Buffer(key2.getPub())).slice(33, 65), {size: 32});
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return point;
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}
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};
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//convert the Point into the Key containing a compressed public key
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Point.prototype.toKey = function() {
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//node
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if (process.versions) {
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var xbuf = this.x.toBuffer({size: 32});
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var ybuf = this.y.toBuffer({size: 32});
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var key = new Key();
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key.compressed = false;
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var prefix = new Buffer([0x04]);
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key.public = Buffer.concat([prefix, xbuf, ybuf]); //this might be wrong
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key.compressed = true;
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return key;
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}
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//browser
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else {
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var xbuf = this.x.toBuffer({size: 32});
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var ybuf = this.y.toBuffer({size: 32});
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var key = new ECKey();
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key.setCompressed(false);
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var prefix = new Buffer([0x04]);
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var pub = Buffer.concat([prefix, xbuf, ybuf]); //this might be wrong
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key.setPub(Key.bufferToArray(pub));
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key.setCompressed(true);
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var key2 = new Key();
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key2.public = new Buffer(key.getPub());
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return key2;
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}
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};
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module.exports = require('soop')(Point);
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module.exports = require('./browser/Point');
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@ -0,0 +1,102 @@
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var ECKey = require('../../browser/vendor-bundle.js').ECKey;
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var buffertools = require('buffertools');
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var Key = function() {
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this._pub = null;
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this.compressed = true; // default
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};
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var bufferToArray = Key.bufferToArray = function(buffer) {
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var ret = [];
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var l = buffer.length;
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for(var i =0; i<l; i++) {
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ret.push(buffer.readUInt8(i));
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}
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return ret;
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}
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Object.defineProperty(Key.prototype, 'public', {
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set: function(p){
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if (!Buffer.isBuffer(p) ) {
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throw new Error('Arg should be a buffer');
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}
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var type = p[0];
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this.compressed = type!==0x04;
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this._pub = p;
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},
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get: function(){
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return this._pub;
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}
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});
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Key.generateSync = function() {
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var eck = new ECKey();
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eck.setCompressed(true);
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var pub = eck.getPub();
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var ret = new Key();
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ret.private = new Buffer(eck.priv.toByteArrayUnsigned());
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ret.public = new Buffer(pub);
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return ret;
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};
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Key.prototype.regenerateSync = function() {
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if (!this.private) {
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throw new Error('Key does not have a private key set');
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}
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var eck = new ECKey(buffertools.toHex(this.private));
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eck.setCompressed(this.compressed);
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this.public = new Buffer(eck.getPub());
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return this;
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};
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Key.prototype.signSync = function(hash) {
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if (!this.private) {
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throw new Error('Key does not have a private key set');
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}
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if (!Buffer.isBuffer(hash) || hash.length !== 32) {
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throw new Error('Arg should be a 32 bytes hash buffer');
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}
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var eck = new ECKey(buffertools.toHex(this.private));
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eck.setCompressed(this.compressed);
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var signature = eck.sign(bufferToArray(hash));
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// return it as a buffer to keep c++ compatibility
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return new Buffer(signature);
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};
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Key.prototype.verifySignature = function(hash, sig, callback) {
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try {
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var result = this.verifySignatureSync(hash, sig);
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callback(null, result);
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} catch (e) {
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callback(e);
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}
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};
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Key.prototype.verifySignatureSync = function(hash, sig) {
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var self = this;
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if (!Buffer.isBuffer(hash) || hash.length !== 32) {
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throw new Error('Arg 1 should be a 32 bytes hash buffer');
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}
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if (!Buffer.isBuffer(sig)) {
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throw new Error('Arg 2 should be a buffer');
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}
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if (!self.public) {
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throw new Error('Key does not have a public key set');
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}
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var eck = new ECKey();
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eck.setPub(bufferToArray(self.public));
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eck.setCompressed(self.compressed);
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var sigA = bufferToArray(sig);
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var ret = eck.verify(bufferToArray(hash),sigA);
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return ret;
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};
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module.exports = Key;
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@ -0,0 +1,81 @@
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"use strict";
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var imports = require('soop').imports();
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var Key = imports.Key || require('./Key');
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var bignum = imports.bignum || require('bignum');
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var assert = require('assert');
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var ECKey = require('../../browser/vendor-bundle.js').ECKey;
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var ECPointFp = require('../../browser/vendor-bundle.js').ECPointFp;
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var ECFieldElementFp = require('../../browser/vendor-bundle.js').ECFieldElementFp;
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var getSECCurveByName = require('../../browser/vendor-bundle.js').getSECCurveByName;
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var BigInteger = require('../../browser/vendor-bundle.js').BigInteger;
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var should = require('chai').should();
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//a point on the secp256k1 curve
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//x and y are bignums
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var Point = function(x, y) {
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this.x = x;
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this.y = y;
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};
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Point.add = function(p1, p2) {
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var ecparams = getSECCurveByName('secp256k1');
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var p1xhex = p1.x.toBuffer({size: 32}).toString('hex');
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var p1x = new BigInteger(p1xhex, 16);
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var p1yhex = p1.y.toBuffer({size: 32}).toString('hex');
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var p1y = new BigInteger(p1yhex, 16);
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var p1px = new ECFieldElementFp(ecparams.getCurve().getQ(), p1x);
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var p1py = new ECFieldElementFp(ecparams.getCurve().getQ(), p1y);
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var p1p = new ECPointFp(ecparams.getCurve(), p1px, p1py);
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var p2xhex = p2.x.toBuffer({size: 32}).toString('hex');
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var p2x = new BigInteger(p2xhex, 16);
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var p2yhex = p2.y.toBuffer({size: 32}).toString('hex');
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var p2y = new BigInteger(p2yhex, 16);
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var p2px = new ECFieldElementFp(ecparams.getCurve().getQ(), p2x);
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var p2py = new ECFieldElementFp(ecparams.getCurve().getQ(), p2y);
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var p2p = new ECPointFp(ecparams.getCurve(), p2px, p2py);
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var p = p1p.add(p2p);
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var point = new Point();
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var pointxbuf = new Buffer(p.getX().toBigInteger().toByteArrayUnsigned());
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point.x = bignum.fromBuffer(pointxbuf, {size: pointxbuf.length});
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assert(pointxbuf.length <= 32);
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var pointybuf = new Buffer(p.getY().toBigInteger().toByteArrayUnsigned());
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assert(pointybuf.length <= 32);
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point.y = bignum.fromBuffer(pointybuf, {size: pointybuf.length});
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return point;
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};
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//convert the public key of a Key into a Point
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Point.fromKey = function(key) {
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var point = new Point();
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var pubKeyBuf = new Buffer(key.public);
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var key2 = new ECKey();
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key2.setCompressed(key.compressed);
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key2.setPub(Key.bufferToArray(pubKeyBuf));
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key2.setCompressed(false);
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point.x = bignum.fromBuffer((new Buffer(key2.getPub())).slice(1, 33), {size: 32});
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point.y = bignum.fromBuffer((new Buffer(key2.getPub())).slice(33, 65), {size: 32});
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return point;
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};
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//convert the Point into the Key containing a compressed public key
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Point.prototype.toKey = function() {
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var xbuf = this.x.toBuffer({size: 32});
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var ybuf = this.y.toBuffer({size: 32});
|
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var key = new ECKey();
|
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key.setCompressed(false);
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var prefix = new Buffer([0x04]);
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var pub = Buffer.concat([prefix, xbuf, ybuf]); //this might be wrong
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key.setPub(Key.bufferToArray(pub));
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key.setCompressed(true);
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var key2 = new Key();
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key2.public = new Buffer(key.getPub());
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return key2;
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};
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module.exports = require('soop')(Point);
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|
|
@ -0,0 +1 @@
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module.exports = require('bindings')('KeyModule').Key;
|
||||
|
|
@ -0,0 +1,53 @@
|
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"use strict";
|
||||
|
||||
var imports = require('soop').imports();
|
||||
var Key = imports.Key || require('../Key');
|
||||
var bignum = imports.bignum || require('bignum');
|
||||
var assert = require('assert');
|
||||
|
||||
//a point on the secp256k1 curve
|
||||
//x and y are bignums
|
||||
var Point = function(x, y) {
|
||||
this.x = x;
|
||||
this.y = y;
|
||||
};
|
||||
|
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Point.add = function(p1, p2) {
|
||||
var key1 = p1.toKey();
|
||||
key1.compressed = false;
|
||||
var key2 = p2.toKey();
|
||||
key2.compressed = false;
|
||||
var pubKey = Key.addUncompressed(key1.public, key2.public);
|
||||
var key = new Key();
|
||||
key.compressed = false;
|
||||
key.public = pubKey;
|
||||
key.compressed = true;
|
||||
return Point.fromKey(key);
|
||||
};
|
||||
|
||||
//convert the public key of a Key into a Point
|
||||
Point.fromKey = function(key) {
|
||||
var point = new Point();
|
||||
var pubKeyBuf = new Buffer(key.public);
|
||||
var key2 = new Key();
|
||||
key2.compressed = key.compressed;
|
||||
key2.public = pubKeyBuf;
|
||||
key2.compressed = false;
|
||||
point.x = bignum.fromBuffer(key2.public.slice(1, 33), {size: 32});
|
||||
point.y = bignum.fromBuffer(key2.public.slice(33, 65), {size: 32});
|
||||
return point;
|
||||
};
|
||||
|
||||
//convert the Point into the Key containing a compressed public key
|
||||
Point.prototype.toKey = function() {
|
||||
var xbuf = this.x.toBuffer({size: 32});
|
||||
var ybuf = this.y.toBuffer({size: 32});
|
||||
var key = new Key();
|
||||
key.compressed = false;
|
||||
var prefix = new Buffer([0x04]);
|
||||
key.public = Buffer.concat([prefix, xbuf, ybuf]); //this might be wrong
|
||||
key.compressed = true;
|
||||
return key;
|
||||
};
|
||||
|
||||
module.exports = require('soop')(Point);
|
||||
|
|
@ -1,4 +1,3 @@
|
|||
|
||||
var chai = chai || require('chai');
|
||||
var bitcore = bitcore || require('../bitcore');
|
||||
var coinUtil = coinUtil || bitcore.util;
|
||||
|
|
@ -113,77 +112,4 @@ describe('Key', function() {
|
|||
var ret= k.verifySignatureSync(a_hash, sig2);
|
||||
ret.should.equal(false);
|
||||
});
|
||||
|
||||
|
||||
//node tests only
|
||||
//addUncompressed is a node-only interface feature
|
||||
if (typeof process !== 'undefined' && process.versions) {
|
||||
describe('#addUncompressed', function() {
|
||||
it('should exist', function() {
|
||||
should.exist(Key.addUncompressed);
|
||||
});
|
||||
|
||||
it('should add two uncompressed public keys', function() {
|
||||
var key1 = Key.generateSync();
|
||||
key1.compressed = false;
|
||||
var key2 = Key.generateSync();
|
||||
key2.compressed = false;
|
||||
var pubkey1 = key1.public;
|
||||
var pubkey2 = key2.public;
|
||||
var pubkey = Key.addUncompressed(pubkey1, pubkey2);
|
||||
pubkey.length.should.equal(65);
|
||||
});
|
||||
|
||||
it('a + b should equal b + a', function() {
|
||||
var key1 = Key.generateSync();
|
||||
key1.compressed = false;
|
||||
var key2 = Key.generateSync();
|
||||
key2.compressed = false;
|
||||
var pubkey1 = key1.public;
|
||||
var pubkey2 = key2.public;
|
||||
var r1 = Key.addUncompressed(pubkey1, pubkey2);
|
||||
var r2 = Key.addUncompressed(pubkey2, pubkey1);
|
||||
r1.toString('hex').should.equal(r2.toString('hex'));
|
||||
});
|
||||
|
||||
it('should be able to add these two public keys without error', function() {
|
||||
var key1 = new Key();
|
||||
key1.private = coinUtil.sha256("first " + 3);
|
||||
key1.compressed = false;
|
||||
key1.regenerateSync();
|
||||
var key2 = new Key();
|
||||
key2.private = coinUtil.sha256("second " + 3);
|
||||
key2.compressed = false;
|
||||
key2.regenerateSync();
|
||||
var pubkey1 = key1.public;
|
||||
var pubkey2 = key2.public;
|
||||
var pubkey = Key.addUncompressed(pubkey1, pubkey2);
|
||||
pubkey.length.should.equal(65);
|
||||
var key = new Key();
|
||||
key.public = pubkey;
|
||||
assert(key.public !== null);
|
||||
});
|
||||
|
||||
});
|
||||
|
||||
describe('node only Key functionality', function() {
|
||||
it('should not fail when called as Key() without "new"', function() {
|
||||
var key = Key();
|
||||
should.exist(key);
|
||||
});
|
||||
it('should not fail when called as Key() without "new" with some args', function() {
|
||||
var key = Key(1, 2, 3, 4, 5);
|
||||
should.exist(key);
|
||||
});
|
||||
it('should have correct properties when called with Key() without "new"', function() {
|
||||
var key = Key();
|
||||
key.compressed.should.equal(true);
|
||||
should.not.exist(key.public);
|
||||
should.not.exist(key.private);
|
||||
should.exist(key);
|
||||
});
|
||||
|
||||
});
|
||||
}
|
||||
|
||||
});
|
||||
|
|
|
|||
|
|
@ -0,0 +1,81 @@
|
|||
var chai = chai || require('chai');
|
||||
var bitcore = bitcore || require('../bitcore');
|
||||
var coinUtil = coinUtil || bitcore.util;
|
||||
var buffertools = require('buffertools');
|
||||
|
||||
var should = chai.should();
|
||||
var assert = chai.assert;
|
||||
|
||||
var Key = bitcore.Key;
|
||||
|
||||
//addUncompressed is a node-only interface feature
|
||||
if (typeof process !== 'undefined' && process.versions) {
|
||||
describe('#Key.node', function() {
|
||||
describe('#addUncompressed', function() {
|
||||
it('should exist', function() {
|
||||
should.exist(Key.addUncompressed);
|
||||
});
|
||||
|
||||
it('should add two uncompressed public keys', function() {
|
||||
var key1 = Key.generateSync();
|
||||
key1.compressed = false;
|
||||
var key2 = Key.generateSync();
|
||||
key2.compressed = false;
|
||||
var pubkey1 = key1.public;
|
||||
var pubkey2 = key2.public;
|
||||
var pubkey = Key.addUncompressed(pubkey1, pubkey2);
|
||||
pubkey.length.should.equal(65);
|
||||
});
|
||||
|
||||
it('a + b should equal b + a', function() {
|
||||
var key1 = Key.generateSync();
|
||||
key1.compressed = false;
|
||||
var key2 = Key.generateSync();
|
||||
key2.compressed = false;
|
||||
var pubkey1 = key1.public;
|
||||
var pubkey2 = key2.public;
|
||||
var r1 = Key.addUncompressed(pubkey1, pubkey2);
|
||||
var r2 = Key.addUncompressed(pubkey2, pubkey1);
|
||||
r1.toString('hex').should.equal(r2.toString('hex'));
|
||||
});
|
||||
|
||||
it('should be able to add these two public keys without error', function() {
|
||||
var key1 = new Key();
|
||||
key1.private = coinUtil.sha256("first " + 3);
|
||||
key1.compressed = false;
|
||||
key1.regenerateSync();
|
||||
var key2 = new Key();
|
||||
key2.private = coinUtil.sha256("second " + 3);
|
||||
key2.compressed = false;
|
||||
key2.regenerateSync();
|
||||
var pubkey1 = key1.public;
|
||||
var pubkey2 = key2.public;
|
||||
var pubkey = Key.addUncompressed(pubkey1, pubkey2);
|
||||
pubkey.length.should.equal(65);
|
||||
var key = new Key();
|
||||
key.public = pubkey;
|
||||
assert(key.public !== null);
|
||||
});
|
||||
|
||||
});
|
||||
|
||||
describe('node only Key functionality', function() {
|
||||
it('should not fail when called as Key() without "new"', function() {
|
||||
var key = Key();
|
||||
should.exist(key);
|
||||
});
|
||||
it('should not fail when called as Key() without "new" with some args', function() {
|
||||
var key = Key(1, 2, 3, 4, 5);
|
||||
should.exist(key);
|
||||
});
|
||||
it('should have correct properties when called with Key() without "new"', function() {
|
||||
var key = Key();
|
||||
key.compressed.should.equal(true);
|
||||
should.not.exist(key.public);
|
||||
should.not.exist(key.private);
|
||||
should.exist(key);
|
||||
});
|
||||
|
||||
});
|
||||
});
|
||||
}
|
||||
|
|
@ -12,7 +12,7 @@ var assert = chai.assert;
|
|||
var Point = bitcore.Point;
|
||||
var Key = bitcore.Key;
|
||||
|
||||
describe('Key', function() {
|
||||
describe('Point', function() {
|
||||
|
||||
it('should initialize the main object', function() {
|
||||
should.exist(Point);
|
||||
|
|
|
|||
Loading…
Reference in New Issue