1 files changed, 16 insertions, 2 deletions

diff --git a/dist/ethereum.js b/dist/ethereum.js
index cf2492997..400a66815 100644
--- a/dist/ethereum.js
+++ b/dist/ethereum.js
@@ -93,6 +93,12 @@ var setupInputTypes = function () {
             }
 
             var padding = calcPadding(type, expected);
+            if (padding > 32)
+                return false;   // not allowed to be so big.
+            padding = 32;   // override as per the new ABI.
+
+            if (prefix === "string")
+                return web3.fromAscii(value, padding).substr(2);
             if (typeof value === "number")
                 value = value.toString(16);
             else if (typeof value === "string")
@@ -111,6 +117,8 @@ var setupInputTypes = function () {
                 return false;
             }
 
+            padding = 32;   //override as per the new ABI.
+
             return padLeft(formatter ? formatter(value) : value, padding * 2);
         };
     };
@@ -166,12 +174,16 @@ var setupOutputTypes = function () {
             }
 
             var padding = calcPadding(type, expected);
+            if (padding > 32)
+                return -1;   // not allowed to be so big.
+            padding = 32;  // override as per the new ABI.
             return padding * 2;
         };
     };
 
     var namedType = function (name, padding) {
         return function (type) {
+            padding = 32;  // override as per the new ABI.
             return name === type ? padding * 2 : -1;
         };
     };
@@ -442,8 +454,10 @@ var contract = function (address, desc) {
                 transact: function (extra) {
                     extra = extra || {};
                     extra.to = address;
-                    extra.data = parsed;
-                    return web3.eth.transact(extra).then(onSuccess);
+                    return abi.methodSignature(desc, method.name).then(function (signature) {
+                        extra.data = signature.slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2) + parsed;
+                        return web3.eth.transact(extra).then(onSuccess);
+                    });
                 }
             };
         };