flushTransaction() lock

src/blockchain/wallet.js

@@ -199,12 +199,25 @@ export function pendTransaction(sender) {
 }
 
 
+let flushing = 0 // semaphore
+
 export function flushTransactions() {
-  // noinspection JSIgnoredPromiseFromCall
-  asyncFlushTransactions()
+  flushing++
+  if( flushing === 1 )
+    // noinspection JSIgnoredPromiseFromCall
+    asyncFlushTransactions()
 }
 
 export async function asyncFlushTransactions() {
+  let counter
+  do {
+    counter = flushing
+    await asyncFlushTransactions2()
+  } while( flushing > counter)
+  flushing = 0
+}
+
+export async function asyncFlushTransactions2() {
   // todo rework into flushTransactions()
   const s = useStore()
   if( s.provider === null ) {