Mining low balance (#247)

* Update miner_toggle.ts

Errorhandler for toggling mining with balances lower than 10 libra

* Update miner_toggle.ts

Errorhandler for toggling mining with balances lower than 10 libra

src/modules/miner_toggle.ts

@@ -1,4 +1,7 @@
 import { get } from 'svelte/store'
+import { signingAccount } from './accounts'
+import { raise_error, ErrMap } from './carpeError'
+import { notify_success } from './carpeNotify'
 import { minerLoopEnabled } from './miner'
 import {
   killBacklogListener,
@@ -37,10 +40,35 @@ export async function disableMining(): Promise<boolean> {
   return true
 }
 
-export function toggleMining() {
+export async function toggleMining() {
+  const account = get(signingAccount)
+
+  // Check if the account exists and has an unlocked balance sufficient for mining
+  if (!account || account.balance.unlocked < 10) {
+    // Customizing the variable for the error message based on the specific condition
+    let errorMessage = 'Your balance is too low to start mining.'
+    if (!account) {
+      errorMessage += ' Account does not exist or is not currently active on-chain.'
+    } else if (account.balance.unlocked < 10) {
+      errorMessage += ' You need at least 10 tokens in your wallet to start mining.'
+    }
+
+    // Construct a CarpeError object according to the CarpeError interface
+    const error = {
+      category: ErrMap.InsufficientBalance, // Assuming this is the correct category for this error
+      uid: ErrMap.InsufficientBalance, // This should be a unique identifier, using the same value for simplicity
+      msg: errorMessage,
+    }
+
+    raise_error(error, false, 'toggleMining')
+    return // Exit the function to prevent further execution
+  }
+
+  // enableMining and disableMining functions
   if (get(minerLoopEnabled)) {
     disableMining()
   } else {
     enableMining()
+    notify_success('Mining status toggled.') // Notify the user of successful operation
   }
 }