Auto select call or transact depending on constness.

libjsqrc/ethereumjs/dist/ethereum.js

@@ -500,11 +500,11 @@ var contract = function (address, desc) {
             options.to = address;
             options.data = signature + parsed;
             
-            var isTransact = result._isTransact;
+            var isTransact = result._isTransact === true || (result._isTransact !== false && !method.constant);
             
             // reset
             result._options = {};
-            result._isTransact = false;
+            result._isTransact = null;
 
             if (isTransact) {
                 // it's used byt natspec.js

libjsqrc/ethereumjs/lib/contract.js

@@ -89,11 +89,11 @@ var contract = function (address, desc) {
             options.to = address;
             options.data = signature + parsed;
             
-            var isTransact = result._isTransact;
+            var isTransact = result._isTransact === true || (result._isTransact !== false && !method.constant);
             
             // reset
             result._options = {};
-            result._isTransact = false;
+            result._isTransact = null;
 
             if (isTransact) {
                 // it's used byt natspec.js