Retry publish on "expected previous" error

1 files changed, 19 insertions, 5 deletions

diff --git a/lib/app.js b/lib/app.js
index 25cb02c..6314284 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -100,12 +100,26 @@ App.prototype.getMsgDecrypted = function (key, cb) {
 }
 
 App.prototype.publish = function (content, cb) {
-  if (Array.isArray(content.recps)) {
-    recps = content.recps.map(u.linkDest)
-    this.sbot.private.publish(content, recps, cb)
-  } else {
-    this.sbot.publish(content, cb)
+  var self = this
+  function tryPublish(triesLeft) {
+    if (Array.isArray(content.recps)) {
+      recps = content.recps.map(u.linkDest)
+      self.sbot.private.publish(content, recps, next)
+    } else {
+      self.sbot.publish(content, next)
+    }
+    function next(err, msg) {
+      if (err) {
+        if (triesLeft > 0) {
+          if (/^expected previous:/.test(err.message)) {
+            return tryPublish(triesLeft-1)
+          }
+        }
+      }
+      return cb(err, msg)
+    }
   }
+  tryPublish(2)
 }
 
 App.prototype.addBlob = function (cb) {