Merge pull request #649 from Picolab/636-share-generate_message-for-d…

…ido-extensions-to-use

#636 Expose generate_message in did-o ruleset

packages/pico-engine/krl/io.picolabs.did-o.krl

@@ -24,9 +24,9 @@ DID-O V 1.0.0
     >>
     author "Rembrand Paul Pardo, Kekoapoaono Montalbo, Josh Mann"
 
-    provides addRoute, routes, send, sendEvent, sendQuery, didMap, clearDidMap, didDocs, clearDidDocs, pendingRotations, clearPendingRotations, generate_invitation
+    provides addRoute, routes, send, sendEvent, sendQuery, didMap, clearDidMap, didDocs, clearDidDocs, pendingRotations, clearPendingRotations, generate_invitation, generate_message
 
-    shares routes, addRoute, didDocs, clearDidDocs, didMap, clearDidMap, pendingRotations, clearPendingRotations, generate_invitation
+    shares routes, addRoute, didDocs, clearDidDocs, didMap, clearDidMap, pendingRotations, clearPendingRotations, generate_invitation, generate_message
 
     use module io.picolabs.wrangler alias wrangler
   }
@@ -139,6 +139,26 @@ DID-O V 1.0.0
 
     ///////////////////////////////////////////// MESSAGE CREATORS //////////////////////////////////////////////
 
+    /**
+    * Generates and returns a DIDComm v2 message with the given message.
+    * message is formatted as follows:
+    * {
+    *  type: string,
+    *  body: any,
+    *  from?: string,
+    *  to?: [string],
+    *  thid?: string,
+    *  pthid?: string,
+    *  expires_time?: number,
+    *  attachments?: [Attachment]
+    * }
+    * 
+    * Refer to didcomm-node package for Attachment object specifics.
+    */
+    generate_message = function(message) {
+      dido:generateMessage(message)
+    }
+
     /**
     * Creates an invitation OOB URL that can be used to establish DID based relationships. 
     * This automates the DID, channel, and message creation and encodes it into a base64 Out-of-Band URL.