diff --git a/src/blockchain/wallet.js b/src/blockchain/wallet.js
index 32fe7f7..202ae7e 100644
--- a/src/blockchain/wallet.js
+++ b/src/blockchain/wallet.js
@@ -167,7 +167,7 @@ async function doEnsureVault(chainId, owner, num) {
     console.log(`requesting vault ${owner} ${num}`)
     socket.emit('ensureVault', chainId, owner, num)
   }
-  await sleep(5)
+  // await sleep(5000) // prevent this process from running more than once every 5 seconds
 }
 
 const ensureVaultRoutine = new SingletonCoroutine(doEnsureVault, 100, false)
diff --git a/src/misc.js b/src/misc.js
index a7c5862..2d53ad9 100644
--- a/src/misc.js
+++ b/src/misc.js
@@ -16,9 +16,9 @@ export class SingletonCoroutine {
 
     invoke(/*arguments*/) {
         this.args = arguments
-        if( this.timeout !== null )
-            clearTimeout(this.timeout)
-        this.timeout = setTimeout(this.onTimeout, this.delay, this)
+        console.log('invoke', arguments)
+        if( this.timeout === null )
+            this.timeout = setTimeout(this.onTimeout, this.delay, this)
     }
 
     async onTimeout(self) {
@@ -26,8 +26,10 @@ export class SingletonCoroutine {
             await self.f(...self.args)
         }
         catch (e) {
-            if( self.retry )
+            if( self.retry ) {
+                console.log('retrying', this.f, 'due to error', e)
                 self.invoke(self.args)
+            }
             else
                 console.error(e)
         }
diff --git a/src/socket.js b/src/socket.js
index f8738c8..1c41bfc 100644
--- a/src/socket.js
+++ b/src/socket.js
@@ -48,10 +48,12 @@ socket.on('vaults', (chainId, owner, vaults)=>{
     console.log('vaults', vaults)
     if( s.chainId.value !== chainId || s.account !== owner )
         return
-    s.vaults = vaults
-    if( vaults.length ) {
-        const vault = vaults[0]
-        flushOrders(vault)
+    if( vaults.length > s.vaults.length ) {
+        s.vaults = vaults
+        if( vaults.length ) {
+            const vault = vaults[0]
+            flushOrders(vault)
+        }
     }
 })