lukechilds
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bitcoincashjs
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make bip32 mostly compatible with the rest of the lib 

the constructor shouldn't do much. just set some varibles. in this case, i have
yet to write the code that sets the varibles. but better this than
autogenerating a new random BIP32. for that, call fromRandom()
patch-2
Ryan X. Charles 11 years ago
parent
d50d766352
commit
3919b24685
2 changed files with 45 additions and 49 deletions
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  1. 12
      lib/bip32.js
  2. 82
      test/test.bip32.js

12
lib/bip32.js
View File

@ -8,15 +8,9 @@ var Random = require('./random');
var bn = require('./bn');
var constants = require('./constants');
var BIP32 = function BIP32(str) {
var BIP32 = function BIP32() {
if (!(this instanceof BIP32))
return new BIP32(str);
if (str === 'testnet' || str === 'mainnet') {
this.version = constants[str].bip32privkey;
this.fromRandom();
}
else if (str)
this.fromString(str);
return new BIP32();
}
BIP32.prototype.fromRandom = function(network) {
@ -48,6 +42,8 @@ BIP32.prototype.fromString = function(str) {
if (bytes !== undefined && bytes !== null)
this.initFromBytes(bytes);
return this;
};
BIP32.prototype.fromSeed = function(bytes, network) {

82
test/test.bip32.js
View File

@ -43,224 +43,224 @@ describe('BIP32', function() {
});
it('should initialize test vector 1 from the extended public key', function() {
var bip32 = new BIP32(vector1_m_public);
var bip32 = new BIP32().fromString(vector1_m_public);
should.exist(bip32);
});
it('should initialize test vector 1 from the extended private key', function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
should.exist(bip32);
});
it('should get the extended public key from the extended private key for test vector 1', function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
bip32.extendedPublicKeyString().should.equal(vector1_m_public);
});
it("should get m/0' ext. private key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector1_m0h_private);
});
it("should get m/0' ext. public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector1_m0h_public);
});
it("should get m/0'/1 ext. private key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'/1");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector1_m0h1_private);
});
it("should get m/0'/1 ext. public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'/1");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector1_m0h1_public);
});
it("should get m/0'/1 ext. public key from m/0' public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child_pub = new BIP32().fromString(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/1");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector1_m0h1_public);
});
it("should get m/0'/1/2h ext. private key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'/1/2'");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector1_m0h12h_private);
});
it("should get m/0'/1/2h ext. public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'/1/2'");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector1_m0h12h_public);
});
it("should get m/0'/1/2h/2 ext. private key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'/1/2'/2");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector1_m0h12h2_private);
});
it("should get m/0'/1/2'/2 ext. public key from m/0'/1/2' public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'/1/2'");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child_pub = new BIP32().fromString(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/2");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector1_m0h12h2_public);
});
it("should get m/0'/1/2h/2 ext. public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'/1/2'/2");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector1_m0h12h2_public);
});
it("should get m/0'/1/2h/2/1000000000 ext. private key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'/1/2'/2/1000000000");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector1_m0h12h21000000000_private);
});
it("should get m/0'/1/2h/2/1000000000 ext. public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'/1/2'/2/1000000000");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector1_m0h12h21000000000_public);
});
it("should get m/0'/1/2'/2/1000000000 ext. public key from m/0'/1/2'/2 public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var bip32 = new BIP32().fromString(vector1_m_private);
var child = bip32.derive("m/0'/1/2'/2");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child_pub = new BIP32().fromString(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/1000000000");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector1_m0h12h21000000000_public);
});
it('should initialize test vector 2 from the extended public key', function() {
var bip32 = new BIP32(vector2_m_public);
var bip32 = new BIP32().fromString(vector2_m_public);
should.exist(bip32);
});
it('should initialize test vector 2 from the extended private key', function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
should.exist(bip32);
});
it('should get the extended public key from the extended private key for test vector 2', function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
bip32.extendedPublicKeyString().should.equal(vector2_m_public);
});
it("should get m/0 ext. private key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector2_m0_private);
});
it("should get m/0 ext. public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector2_m0_public);
});
it("should get m/0 ext. public key from m public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child_pub = new BIP32().fromString(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/0");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector2_m0_public);
});
it("should get m/0/2147483647h ext. private key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0/2147483647'");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h_private);
});
it("should get m/0/2147483647h ext. public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0/2147483647'");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector2_m02147483647h_public);
});
it("should get m/0/2147483647h/1 ext. private key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h1_private);
});
it("should get m/0/2147483647h/1 ext. public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector2_m02147483647h1_public);
});
it("should get m/0/2147483647h/1 ext. public key from m/0/2147483647h public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0/2147483647'");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child_pub = new BIP32().fromString(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/1");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector2_m02147483647h1_public);
});
it("should get m/0/2147483647h/1/2147483646h ext. private key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1/2147483646'");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h12147483646h_private);
});
it("should get m/0/2147483647h/1/2147483646h ext. public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1/2147483646'");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector2_m02147483647h12147483646h_public);
});
it("should get m/0/2147483647h/1/2147483646h/2 ext. private key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1/2147483646'/2");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h12147483646h2_private);
});
it("should get m/0/2147483647h/1/2147483646h/2 ext. public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1/2147483646'/2");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector2_m02147483647h12147483646h2_public);
});
it("should get m/0/2147483647h/1/2147483646h/2 ext. public key from m/0/2147483647h/2147483646h public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var bip32 = new BIP32().fromString(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1/2147483646'");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child_pub = new BIP32().fromString(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/2");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector2_m02147483647h12147483646h2_public);
@ -289,7 +289,7 @@ describe('BIP32', function() {
it('should initialize a new BIP32 correctly from a random BIP32', function() {
var b1 = new BIP32();
b1.fromRandom('testnet');
var b2 = new BIP32(b1.extendedPublicKeyString());
var b2 = new BIP32().fromString(b1.extendedPublicKeyString());
b2.extendedPublicKeyString().should.equal(b1.extendedPublicKeyString());
});
@ -311,7 +311,7 @@ describe('BIP32', function() {
});
it('should return an xpub string', function() {
var bip32b = new BIP32(bip32.extendedPublicKeyString());
var bip32b = new BIP32().fromString(bip32.extendedPublicKeyString());
bip32b.toString().slice(0, 4).should.equal('xpub');
});
@ -320,7 +320,7 @@ describe('BIP32', function() {
});
it('should return a tpub string', function() {
var tip32b = new BIP32(tip32.extendedPublicKeyString());
var tip32b = new BIP32().fromString(tip32.extendedPublicKeyString());
tip32b.toString().slice(0, 4).should.equal('tpub');
});

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