feat: add nonce bootstrapper

Useful for rebuilding the nonce cache automatically.

* uses otx_sign as the first source
* can fallback to chain nonce value of the 1st source is corrupted

cmd/service/init.go

@@ -110,9 +110,11 @@ func initCommonRedisPool() *redis.RedisPool {
 }
 
 // Load redis backed noncestore.
-func initRedisNoncestore(redisPool *redis.RedisPool) nonce.Noncestore {
+func initRedisNoncestore(redisPool *redis.RedisPool, chainProvider *celoutils.Provider, store store.Store) nonce.Noncestore {
 	return nonce.NewRedisNoncestore(nonce.Opts{
-		RedisPool: redisPool,
+		ChainProvider: chainProvider,
+		RedisPool:     redisPool,
+		Store:         store,
 	})
 }
 

cmd/service/main.go

@@ -51,7 +51,7 @@ func main() {
 	redisPool := initCommonRedisPool()
 
 	store := initPgStore()
-	redisNoncestore := initRedisNoncestore(redisPool)
+	redisNoncestore := initRedisNoncestore(redisPool, celoProvider, store)
 	lockProvider := initLockProvider(redisPool.Client)
 	taskerClient := initTaskerClient(asynqRedisPool)