Merge pull request #510 from nathanawmk/master

Update max transaction size limit.

core/tx_pool.go

@@ -558,7 +558,8 @@ func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error {
 		return ErrInvalidGasPrice
 	}
 	// Heuristic limit, reject transactions over 32KB to prevent DOS attacks
-	if tx.Size() > 32*1024 {
+	// UPDATED to 64KB to support the deployment of bigger contract due to the pressing need for sophisticated/complex contract in financial/capital markets - Nathan Aw
+	if tx.Size() > 64*1024 {
 		return ErrOversizedData
 	}
 	// Transactions can't be negative. This may never happen using RLP decoded