Key -> Keypair

lib/bip32.js

@@ -25,7 +25,7 @@ BIP32.prototype.set = function(obj) {
   this.parentFingerprint = obj.parentFingerprint || this.parentFingerprint;
   this.childIndex = obj.childIndex || this.childIndex;
   this.chainCode = obj.chainCode || this.chainCode;
-  this.key = obj.key || this.key;
+  this.keypair = obj.keypair || this.keypair;
   this.hasPrivateKey = typeof obj.hasPrivateKey !== 'undefined' ? obj.hasPrivateKey : this.hasPrivateKey;
   this.pubKeyHash = obj.pubKeyHash || this.pubKeyHash;
   this.extendedPublicKey = obj.extendedPublicKey || this.extendedPublicKey;
@@ -41,9 +41,9 @@ BIP32.prototype.fromRandom = function(networkstr) {
   this.parentFingerprint = new Buffer([0, 0, 0, 0]);
   this.childIndex = new Buffer([0, 0, 0, 0]);
   this.chainCode = Random.getRandomBuffer(32);
-  this.key = (new Keypair()).fromRandom();
+  this.keypair = (new Keypair()).fromRandom();
   this.hasPrivateKey = true;
-  this.pubKeyHash = Hash.sha256ripemd160(this.key.pubkey.toBuffer());
+  this.pubKeyHash = Hash.sha256ripemd160(this.keypair.pubkey.toBuffer());
   this.buildExtendedPublicKey();
   this.buildExtendedPrivateKey();
 };
@@ -71,11 +71,11 @@ BIP32.prototype.fromSeed = function(bytes, networkstr) {
   this.childIndex = new Buffer([0, 0, 0, 0]);
   this.chainCode = hash.slice(32, 64);
   this.version = constants[networkstr].bip32privkey;
-  this.key = new Keypair();
-  this.key.privkey = new Privkey({bn: bn.fromBuffer(hash.slice(0, 32))});
-  this.key.privkey2pubkey();
+  this.keypair = new Keypair();
+  this.keypair.privkey = new Privkey({bn: bn.fromBuffer(hash.slice(0, 32))});
+  this.keypair.privkey2pubkey();
   this.hasPrivateKey = true;
-  this.pubKeyHash = Hash.sha256ripemd160(this.key.pubkey.toBuffer());
+  this.pubKeyHash = Hash.sha256ripemd160(this.keypair.pubkey.toBuffer());
 
   this.buildExtendedPublicKey();
   this.buildExtendedPrivateKey();
@@ -105,15 +105,15 @@ BIP32.prototype.initFromBytes = function(bytes) {
       this.version == constants.testnet.bip32pubkey);
 
   if (isPrivate && keyBytes[0] == 0) {
-    this.key = new Keypair();
-    this.key.privkey = new Privkey({bn: bn.fromBuffer(keyBytes.slice(1, 33))});
-    this.key.privkey2pubkey();
-    this.pubKeyHash = Hash.sha256ripemd160(this.key.pubkey.toBuffer());
+    this.keypair = new Keypair();
+    this.keypair.privkey = new Privkey({bn: bn.fromBuffer(keyBytes.slice(1, 33))});
+    this.keypair.privkey2pubkey();
+    this.pubKeyHash = Hash.sha256ripemd160(this.keypair.pubkey.toBuffer());
     this.hasPrivateKey = true;
   } else if (isPublic && (keyBytes[0] == 0x02 || keyBytes[0] == 0x03)) {
-    this.key = new Keypair();
-    this.key.pubkey = (new Pubkey()).fromDER(keyBytes);
-    this.pubKeyHash = Hash.sha256ripemd160(this.key.pubkey.toBuffer());
+    this.keypair = new Keypair();
+    this.keypair.pubkey = (new Pubkey()).fromDER(keyBytes);
+    this.pubKeyHash = Hash.sha256ripemd160(this.keypair.pubkey.toBuffer());
     this.hasPrivateKey = false;
   } else {
     throw new Error('Invalid key');
@@ -153,7 +153,7 @@ BIP32.prototype.buildExtendedPublicKey = function() {
     new Buffer([(this.childIndex >>> 8) & 0xff]),
     new Buffer([this.childIndex & 0xff]),
     this.chainCode,
-    this.key.pubkey.toBuffer()
+    this.keypair.pubkey.toBuffer()
   ]);
 }
 
@@ -186,7 +186,7 @@ BIP32.prototype.buildExtendedPrivateKey = function() {
     new Buffer([this.childIndex & 0xff]),
     this.chainCode,
     new Buffer([0]),
-    this.key.privkey.bn.toBuffer({size: 32})
+    this.keypair.privkey.bn.toBuffer({size: 32})
   ]);
 }
 
@@ -257,9 +257,9 @@ BIP32.prototype.deriveChild = function(i) {
     var data = null;
 
     if (usePrivate) {
-      data = Buffer.concat([new Buffer([0]), this.key.privkey.bn.toBuffer({size: 32}), ib]);
+      data = Buffer.concat([new Buffer([0]), this.keypair.privkey.bn.toBuffer({size: 32}), ib]);
     } else {
-      data = Buffer.concat([this.key.pubkey.toBuffer({size: 32}), ib]);
+      data = Buffer.concat([this.keypair.pubkey.toBuffer({size: 32}), ib]);
     }
 
     var hash = Hash.sha512hmac(data, this.chainCode);
@@ -267,25 +267,25 @@ BIP32.prototype.deriveChild = function(i) {
     var ir = hash.slice(32, 64);
 
     // ki = IL + kpar (mod n).
-    var k = il.add(this.key.privkey.bn).mod(Point.getN());
+    var k = il.add(this.keypair.privkey.bn).mod(Point.getN());
 
     ret = new BIP32();
     ret.chainCode = ir;
 
-    ret.key = new Keypair();
-    ret.key.privkey = new Privkey({bn: k});
-    ret.key.privkey2pubkey();
+    ret.keypair = new Keypair();
+    ret.keypair.privkey = new Privkey({bn: k});
+    ret.keypair.privkey2pubkey();
     ret.hasPrivateKey = true;
 
   } else {
-    var data = Buffer.concat([this.key.pubkey.toBuffer(), ib]);
+    var data = Buffer.concat([this.keypair.pubkey.toBuffer(), ib]);
     var hash = Hash.sha512hmac(data, this.chainCode);
     var il = bn(hash.slice(0, 32));
     var ir = hash.slice(32, 64);
 
     // Ki = (IL + kpar)*G = IL*G + Kpar
     var ilG = Point.getG().mul(il);
-    var Kpar = this.key.pubkey.point;
+    var Kpar = this.keypair.pubkey.point;
     var Ki = ilG.add(Kpar);
     var newpub = new Pubkey();
     newpub.point = Ki;
@@ -293,9 +293,9 @@ BIP32.prototype.deriveChild = function(i) {
     ret = new BIP32();
     ret.chainCode = ir;
 
-    var key = new Keypair();
-    key.pubkey = newpub;
-    ret.key = key;
+    var keypair = new Keypair();
+    keypair.pubkey = newpub;
+    ret.keypair = keypair;
     ret.hasPrivateKey = false;
   }
 
@@ -304,7 +304,7 @@ BIP32.prototype.deriveChild = function(i) {
   ret.version = this.version;
   ret.depth = this.depth + 1;
 
-  ret.pubKeyHash = Hash.sha256ripemd160(ret.key.pubkey.toBuffer());
+  ret.pubKeyHash = Hash.sha256ripemd160(ret.keypair.pubkey.toBuffer());
 
   ret.buildExtendedPublicKey();
   ret.buildExtendedPrivateKey();