Merge pull request #1046 from eordano/input/errorMessage

Better error message on unsupported input types

lib/transaction/input/input.js

@@ -125,7 +125,10 @@ Input.prototype.setScript = function(script) {
  * @abstract
  */
 Input.prototype.getSignatures = function() {
-  throw new errors.AbstractMethodInvoked('Input#getSignatures');
+  throw new errors.AbstractMethodInvoked(
+    'Trying to sign unsupported output type (only P2PKH and P2SH multisig inputs are supported)' +
+    ' for input: ' + this.toJSON()
+  );
 };
 
 Input.prototype.isFullySigned = function() {