add random value as a note on submit tx

To make sure the transaction is accepted.
There might be a scenario where the same transaction is already on the transaction pool
and it hasn't been finalised.

services/app/src/utils/algo-utils.ts

@@ -63,6 +63,8 @@ export const getGlobalStateValue = async (
   return getValueFromKeyValue(keyValue, false)
 }
 
+const encoder = new TextEncoder()
+
 export const submitValue = async (
   client: algosdk.Algodv2,
   blockNumber: number,
@@ -75,6 +77,8 @@ export const submitValue = async (
   const sp = await client.getTransactionParams().do()
   const comp = new algosdk.AtomicTransactionComposer()
 
+  const timestamp = Date.now()
+  const note = encoder.encode(timestamp.toString())
   sp.firstRound = blockNumber + 1
   sp.lastRound = sp.firstRound + 1000
   comp.addMethodCall({
@@ -84,10 +88,12 @@ export const submitValue = async (
     sender: serviceAccount.addr,
     suggestedParams: sp,
     signer,
+    note,
   })
 
   for (let i = 0; i < numDummyTransactions; i++) {
-    const txn = algosdk.makeApplicationNoOpTxn(serviceAccount.addr, sp, dummyAppId, [], [], [], [], new Uint8Array([i]))
+    const dummyTxNote = encoder.encode(`${i}-${timestamp.toString()}`)
+    const txn = algosdk.makeApplicationNoOpTxn(serviceAccount.addr, sp, dummyAppId, [], [], [], [], dummyTxNote)
     comp.addTransaction({ txn, signer })
   }