From fdc83c2f78b33e889f46bb402e658738eaf77bee Mon Sep 17 00:00:00 2001
From: liamcottle <liam@liamcottle.com>
Date: Sat, 15 Feb 2025 22:31:56 +1300
Subject: [PATCH] add helper function for exporting contact

---
 index.html                   |  7 ++++++-
 src/connection/connection.js | 31 +++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/index.html b/index.html
index 8bbde55..d570979 100644
--- a/index.html
+++ b/index.html
@@ -362,7 +362,12 @@
                 await this.connection.sendCommandShareContact(contact.publicKey);
             },
             async exportContact(contact) {
-                await this.connection.sendCommandExportContact(contact?.publicKey);
+                try {
+                    const response = await this.connection.exportContact(contact?.publicKey);
+                    console.log(response);
+                } catch(e) {
+                    alert("Failed to export contact!");
+                }
             },
             async importContact() {
                 await this.connection.importContact(this.hexToBytes("120070b78b64782bffb918da2d6432204a149bd232dd66373415b5f7ba24733ba2efe843b0674dc86210127e259f417a24150af38953dd2eb597a6a75a5c0a86adea7e81dbfc7023e4cc12bfe1b628aeaf76303f456545e555ae6554344b8391c2f07e9b010381506f636b6574204e6f64652031"));
diff --git a/src/connection/connection.js b/src/connection/connection.js
index 18a7c94..ccb9b58 100644
--- a/src/connection/connection.js
+++ b/src/connection/connection.js
@@ -757,6 +757,37 @@ class Connection extends EventEmitter {
         });
     }
 
+    exportContact(pubKey = null) {
+        return new Promise(async (resolve, reject) => {
+            try {
+
+                // resolve promise when we receive export contact response
+                const onExportContact = (response) => {
+                    this.off(Constants.ResponseCodes.ExportContact, onExportContact);
+                    this.off(Constants.ResponseCodes.Err, onErr);
+                    resolve(response);
+                }
+
+                // reject promise when we receive err
+                const onErr = () => {
+                    this.off(Constants.ResponseCodes.ExportContact, onExportContact);
+                    this.off(Constants.ResponseCodes.Err, onErr);
+                    reject();
+                }
+
+                // listen for events
+                this.once(Constants.ResponseCodes.ExportContact, onExportContact);
+                this.once(Constants.ResponseCodes.Err, onErr);
+
+                // export contact
+                await this.sendCommandExportContact(pubKey);
+
+            } catch(e) {
+                reject(e);
+            }
+        });
+    }
+
 }
 
 export default Connection;