primitives: use equals instead of equal for consistency.

lib/hd/private.js

@@ -393,9 +393,8 @@ HDPrivateKey.prototype.derivePath = function derivePath(path) {
  * @returns {Boolean}
  */
 
-HDPrivateKey.prototype.equal = function equal(obj) {
-  if (!HDPrivateKey.isHDPrivateKey(obj))
-    return false;
+HDPrivateKey.prototype.equals = function equals(obj) {
+  assert(HDPrivateKey.isHDPrivateKey(obj));
 
   return this.network === obj.network
     && this.depth === obj.depth

lib/hd/public.js

@@ -315,9 +315,8 @@ HDPublicKey.prototype.derivePath = function derivePath(path) {
  * @returns {Boolean}
  */
 
-HDPublicKey.prototype.equal = function equal(obj) {
-  if (!HDPublicKey.isHDPublicKey(obj))
-    return false;
+HDPublicKey.prototype.equals = function equals(obj) {
+  assert(HDPublicKey.isHDPublicKey(obj));
 
   return this.network === obj.network
     && this.depth === obj.depth

lib/primitives/address.js

@@ -119,6 +119,21 @@ Address.prototype.isNull = function isNull() {
   return true;
 };
 
+/**
+ * Test equality against another address.
+ * @param {Address} addr
+ * @returns {Boolean}
+ */
+
+Address.prototype.equals = function equals(addr) {
+  assert(addr instanceof Address);
+
+  return this.network === addr.network
+    && this.type === addr.type
+    && this.version === addr.version
+    && this.hash.equals(addr.hash);
+};
+
 /**
  * Get the address type as a string.
  * @returns {String}

lib/script/sigcache.js

@@ -85,7 +85,7 @@ SigCache.prototype.has = function has(hash, sig, key) {
   if (!entry)
     return false;
 
-  return entry.equal(sig, key);
+  return entry.equals(sig, key);
 };
 
 /**
@@ -138,7 +138,7 @@ function SigCacheEntry(sig, key) {
  * @returns {Boolean}
  */
 
-SigCacheEntry.prototype.equal = function equal(sig, key) {
+SigCacheEntry.prototype.equals = function equals(sig, key) {
   return this.sig.equals(sig) && this.key.equals(key);
 };
 

lib/wallet/account.js

@@ -289,7 +289,7 @@ Account.prototype.pushKey = function pushKey(key) {
   if (this.type !== Account.types.MULTISIG)
     throw new Error('Cannot add keys to non-multisig wallet.');
 
-  if (key.equal(this.accountKey))
+  if (key.equals(this.accountKey))
     throw new Error('Cannot add own key.');
 
   const index = util.binaryInsert(this.keys, key, cmp, true);