always use mempool api

itest/lspd_node.go

@@ -129,7 +129,6 @@ func newLspd(h *lntest.TestHarness, name string, nodeConfig *config.NodeConfig,
 		nodes,
 		fmt.Sprintf("DATABASE_URL=%s", postgresBackend.ConnectionString()),
 		fmt.Sprintf("LISTEN_ADDRESS=%s", grpcAddress),
-		"USE_MEMPOOL_FEE_ESTIMATION=true",
 		"MEMPOOL_API_BASE_URL=https://mempool.space/api/v1/",
 		"MEMPOOL_PRIORITY=economy",
 	}

main.go

@@ -41,16 +41,17 @@ func main() {
 		log.Fatalf("need at least one node configured in NODES.")
 	}
 
-	var feeEstimator chain.FeeEstimator
-	var feeStrategy chain.FeeStrategy
-	useMempool := os.Getenv("USE_MEMPOOL_FEE_ESTIMATION") == "true"
-	if useMempool {
 	mempoolUrl := os.Getenv("MEMPOOL_API_BASE_URL")
-		feeEstimator, err = mempool.NewMempoolClient(mempoolUrl)
+	if mempoolUrl == "" {
+		log.Fatalf("No mempool url configured.")
+	}
+
+	feeEstimator, err := mempool.NewMempoolClient(mempoolUrl)
 	if err != nil {
 		log.Fatalf("failed to initialize mempool client: %v", err)
 	}
 
+	var feeStrategy chain.FeeStrategy
 	envFeeStrategy := os.Getenv("MEMPOOL_PRIORITY")
 	switch strings.ToLower(envFeeStrategy) {
 	case "minimum":
@@ -67,7 +68,6 @@ func main() {
 		feeStrategy = chain.FeeStrategyEconomy
 	}
 	log.Printf("using mempool api for fee estimation: %v, fee strategy: %v:%v", mempoolUrl, envFeeStrategy, feeStrategy)
-	}
 
 	databaseUrl := os.Getenv("DATABASE_URL")
 	pool, err := postgresql.PgConnect(databaseUrl)

sample.env

@@ -30,10 +30,8 @@ CHANNELMISMATCH_NOTIFICATION_TO='["Name1 <user1@domain.com>"]'
 CHANNELMISMATCH_NOTIFICATION_CC='["Name2 <user2@domain.com>","Name3 <user3@domain.com>"]'
 CHANNELMISMATCH_NOTIFICATION_FROM="Name4 <user4@domain.com>"
 
-# By default lspd uses the fee estimation from the lightning node it is connected
-# to for opening new channels. You can use mempool fee estimation instead by
-# setting below variables.
-USE_MEMPOOL_FEE_ESTIMATION=true
+# lspd uses the fee estimation from mempool.space for opening new channels. 
+# Change below setting for you own mempool instance.
 MEMPOOL_API_BASE_URL=https://mempool.space/api/v1/
 
 # Priority to use for opening channels when using the mempool api.