From e28d56ead210f7d31819c6ad8b9be104ffab4f95 Mon Sep 17 00:00:00 2001
From: Joe Clapis <jclapis@outlook.com>
Date: Fri, 18 Nov 2022 23:46:17 -0500
Subject: [PATCH] Updated Smartnode, added a bigger MaxConcurrentEth1Requests
 buffer

---
 go.mod      |  2 +-
 go.sum      |  8 ++------
 tree-gen.go | 18 ++++++++++++++++++
 3 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/go.mod b/go.mod
index bc94b80..4827162 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/ethereum/go-ethereum v1.10.25
 	github.com/fatih/color v1.13.0
 	github.com/rocket-pool/rocketpool-go v1.10.1-0.20221107074643-c7bbb1946848
-	github.com/rocket-pool/smartnode v1.7.1-0.20221108051433-199b03a781ec
+	github.com/rocket-pool/smartnode v1.7.1-0.20221119044341-133db7b548d6
 	github.com/urfave/cli/v2 v2.23.0
 )
 
diff --git a/go.sum b/go.sum
index 460ef1c..e7058a6 100644
--- a/go.sum
+++ b/go.sum
@@ -1709,12 +1709,8 @@ github.com/rocket-pool/go-merkletree v1.0.1-0.20220406020931-c262d9b976dd h1:p9K
 github.com/rocket-pool/go-merkletree v1.0.1-0.20220406020931-c262d9b976dd/go.mod h1:UE9fof8P7iESVtLn1K9CTSkNRYVFHZHlf96RKbU33kA=
 github.com/rocket-pool/rocketpool-go v1.10.1-0.20221107074643-c7bbb1946848 h1:Iny1IgKEv3/0eUyPoExnXlyXNzUtGda+JAa2m0KlVrQ=
 github.com/rocket-pool/rocketpool-go v1.10.1-0.20221107074643-c7bbb1946848/go.mod h1:+7kSXEvMUCEqstio3PBVTnaGoI2lSTwNUJ8/D4D91gM=
-github.com/rocket-pool/smartnode v1.7.1-0.20221108031637-a1192d4790c9 h1:aMKBhdkrA9CT812b4CJ9VI6NQhpK31dfkqHhZfZtjn0=
-github.com/rocket-pool/smartnode v1.7.1-0.20221108031637-a1192d4790c9/go.mod h1:22NUpU97G9Oz7O4sD5yPYbiUnaQu7eun1SAHHL7SdMY=
-github.com/rocket-pool/smartnode v1.7.1-0.20221108044127-fca9776b91a2 h1:wQ1Jl+SKbMawF7q7QmzkfiliyqYKBYATfUMHz8C2zfA=
-github.com/rocket-pool/smartnode v1.7.1-0.20221108044127-fca9776b91a2/go.mod h1:22NUpU97G9Oz7O4sD5yPYbiUnaQu7eun1SAHHL7SdMY=
-github.com/rocket-pool/smartnode v1.7.1-0.20221108051433-199b03a781ec h1:WHhbLQTtNTgg0xtgoOePhiE+6u65pd7mLlQvyjXyUPA=
-github.com/rocket-pool/smartnode v1.7.1-0.20221108051433-199b03a781ec/go.mod h1:22NUpU97G9Oz7O4sD5yPYbiUnaQu7eun1SAHHL7SdMY=
+github.com/rocket-pool/smartnode v1.7.1-0.20221119044341-133db7b548d6 h1:RMjEEpeBHIJZxlSDgAVLP7ozhQnst4en1YM8YecNlHo=
+github.com/rocket-pool/smartnode v1.7.1-0.20221119044341-133db7b548d6/go.mod h1:22NUpU97G9Oz7O4sD5yPYbiUnaQu7eun1SAHHL7SdMY=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
diff --git a/tree-gen.go b/tree-gen.go
index 4b89a37..cbde679 100644
--- a/tree-gen.go
+++ b/tree-gen.go
@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"math/big"
+	"net/http"
 	"path/filepath"
 	"time"
 
@@ -24,8 +25,15 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
+const (
+	MaxConcurrentEth1Requests = 200
+)
+
 func GenerateTree(c *cli.Context) error {
 
+	// Configure
+	configureHTTP()
+
 	// Initialization
 	currentIndex := c.Int64("interval")
 	log := log.NewColorLogger(color.FgHiWhite)
@@ -317,3 +325,13 @@ func getLatestFinalizedSlot(log log.ColorLogger, bn beacon.Client) (uint64, uint
 	}
 
 }
+
+// Configure HTTP transport settings
+func configureHTTP() {
+
+	// The watchtower daemon makes a large number of concurrent RPC requests to the Eth1 client
+	// The HTTP transport is set to cache connections for future re-use equal to the maximum expected number of concurrent requests
+	// This prevents issues related to memory consumption and address allowance from repeatedly opening and closing connections
+	http.DefaultTransport.(*http.Transport).MaxIdleConnsPerHost = MaxConcurrentEth1Requests
+
+}