From 2d5e41eb8149bff9bb44a5caa744861da7b83eeb Mon Sep 17 00:00:00 2001
From: Mohammed Sohail <sohailsameja@gmail.com>
Date: Tue, 28 Mar 2023 06:24:28 +0000
Subject: [PATCH] chore: cleanup unecessary checksum fn

---
 internal/sub/handler.go |  2 +-
 internal/sub/js_sub.go  |  6 +++---
 internal/sub/util.go    | 31 -------------------------------
 3 files changed, 4 insertions(+), 35 deletions(-)
 delete mode 100644 internal/sub/util.go

diff --git a/internal/sub/handler.go b/internal/sub/handler.go
index 5d656f6..ea487f1 100644
--- a/internal/sub/handler.go
+++ b/internal/sub/handler.go
@@ -23,7 +23,7 @@ func (s *Sub) handler(ctx context.Context, msg *nats.Msg) error {
 
 	switch msg.Subject {
 	case "CHAIN.gas":
-		if err := s.cu.PgStore.ResetGasQuota(ctx, checksum(chainEvent.To)); err != nil {
+		if err := s.cu.PgStore.ResetGasQuota(ctx, chainEvent.To); err != nil {
 			return err
 		}
 	}
diff --git a/internal/sub/js_sub.go b/internal/sub/js_sub.go
index 29a45a8..095a501 100644
--- a/internal/sub/js_sub.go
+++ b/internal/sub/js_sub.go
@@ -83,10 +83,10 @@ func (s *Sub) Process() error {
 			if err := s.handler(ctx, msg); err != nil {
 				s.logg.Error("sub: handler error", "error", err)
 				msg.Nak()
-			} else {
-				s.logg.Debug("sub: processed msg", "subject", msg.Subject)
-				msg.Ack()
 			}
+
+			s.logg.Debug("sub: processed msg", "subject", msg.Subject)
+			msg.Ack()
 			cancel()
 		}
 	}
diff --git a/internal/sub/util.go b/internal/sub/util.go
deleted file mode 100644
index 1b1e625..0000000
--- a/internal/sub/util.go
+++ /dev/null
@@ -1,31 +0,0 @@
-package sub
-
-import (
-	"encoding/hex"
-	"strconv"
-	"strings"
-
-	"golang.org/x/crypto/sha3"
-)
-
-// TODO: This should probably be used project wide
-func checksum(address string) string {
-	address = strings.ToLower(address)
-	address = strings.Replace(address, "0x", "", 1)
-
-	sha := sha3.NewLegacyKeccak256()
-	sha.Write([]byte(address))
-	hash := sha.Sum(nil)
-	hashstr := hex.EncodeToString(hash)
-	result := []string{"0x"}
-	for i, v := range address {
-		res, _ := strconv.ParseInt(string(hashstr[i]), 16, 64)
-		if res > 7 {
-			result = append(result, strings.ToUpper(string(v)))
-			continue
-		}
-		result = append(result, string(v))
-	}
-
-	return strings.Join(result, "")
-}