fix tests

.jsbeautifyrc

@@ -0,0 +1,20 @@
+{
+    "indent_size": 2,
+    "indent_char": " ",
+    "indent_level": 0,
+    "indent_with_tabs": false,
+    "preserve_newlines": true,
+    "max_preserve_newlines": 10,
+    "jslint_happy": false,
+    "space_after_anon_function": true,
+    "brace_style": "collapse",
+    "keep_array_indentation": false,
+    "keep_function_indentation": false,
+    "space_before_conditional": true,
+    "break_chained_methods": false,
+    "eval_code": false,
+    "unescape_strings": false,
+    "wrap_line_length": 0,
+    "good-stuff": true
+
+}

lib/script.js

@@ -169,62 +169,41 @@ Script.prototype.toString = function() {
 };
 
 Script.prototype.isOpReturn = function() {
-  if (this.chunks[0] === Opcode('OP_RETURN').toNumber() &&
+  return (this.chunks[0] === Opcode('OP_RETURN').toNumber() &&
     (this.chunks.length === 1 ||
       (this.chunks.length === 2 &&
         this.chunks[1].buf &&
         this.chunks[1].buf.length <= 40 &&
-        this.chunks[1].length === this.chunks.len))) {
+        this.chunks[1].length === this.chunks.len)));
-    return true;
-  } else {
-    return false;
-  }
 };
 
 Script.prototype.isPublicKeyHashOut = function() {
-  if (this.chunks[0] === Opcode('OP_DUP').toNumber() &&
+  return this.chunks[0] === Opcode('OP_DUP').toNumber() &&
     this.chunks[1] === Opcode('OP_HASH160').toNumber() &&
     this.chunks[2].buf &&
     this.chunks[3] === Opcode('OP_EQUALVERIFY').toNumber() &&
-    this.chunks[4] === Opcode('OP_CHECKSIG').toNumber()) {
+    this.chunks[4] === Opcode('OP_CHECKSIG').toNumber();
-    return true;
-  } else {
-    return false;
-  }
 };
 
 Script.prototype.isPublicKeyHashIn = function() {
-  if (this.chunks.length === 2 &&
+  return !!(this.chunks.length === 2 &&
     this.chunks[0].buf &&
-    this.chunks[1].buf) {
+    this.chunks[1].buf);
-    return true;
-  } else {
-    return false;
-  }
 };
 
 Script.prototype.isScriptHashOut = function() {
-  if (this.chunks.length === 3 &&
+  return this.chunks.length === 3 &&
     this.chunks[0] === Opcode('OP_HASH160').toNumber() &&
     this.chunks[1].buf &&
     this.chunks[1].buf.length === 20 &&
-    this.chunks[2] === Opcode('OP_EQUAL').toNumber()) {
+    this.chunks[2] === Opcode('OP_EQUAL').toNumber();
-    return true;
-  } else {
-    return false;
-  }
 };
 
 //note that these are frequently indistinguishable from pubkeyhashin
 Script.prototype.isScriptHashIn = function() {
-  var allpush = this.chunks.every(function(chunk) {
+  return this.chunks.every(function(chunk) {
     return Buffer.isBuffer(chunk.buf);
   });
-  if (allpush) {
-    return true;
-  } else {
-    return false;
-  }
 };
 
 Script.prototype.add = function(obj) {