From fcb3dd261409029fcc63248f01c99d7a824a1f8d Mon Sep 17 00:00:00 2001
From: Aaron Chen <aaronchen.lisp@gmail.com>
Date: Fri, 5 Apr 2024 15:28:28 +0800
Subject: [PATCH] eth/filters: use slices.Contains

---
 eth/filters/filter.go | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/eth/filters/filter.go b/eth/filters/filter.go
index f2b92d5a99..2f59026b73 100644
--- a/eth/filters/filter.go
+++ b/eth/filters/filter.go
@@ -20,6 +20,7 @@ import (
 	"context"
 	"errors"
 	"math/big"
+	"slices"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/bloombits"
@@ -347,16 +348,6 @@ func (f *Filter) pendingLogs() []*types.Log {
 	return nil
 }
 
-// includes returns true if the element is present in the list.
-func includes[T comparable](things []T, element T) bool {
-	for _, thing := range things {
-		if thing == element {
-			return true
-		}
-	}
-	return false
-}
-
 // filterLogs creates a slice of logs matching the given criteria.
 func filterLogs(logs []*types.Log, fromBlock, toBlock *big.Int, addresses []common.Address, topics [][]common.Hash) []*types.Log {
 	var check = func(log *types.Log) bool {
@@ -366,7 +357,7 @@ func filterLogs(logs []*types.Log, fromBlock, toBlock *big.Int, addresses []comm
 		if toBlock != nil && toBlock.Int64() >= 0 && toBlock.Uint64() < log.BlockNumber {
 			return false
 		}
-		if len(addresses) > 0 && !includes(addresses, log.Address) {
+		if len(addresses) > 0 && !slices.Contains(addresses, log.Address) {
 			return false
 		}
 		// If the to filtered topics is greater than the amount of topics in logs, skip.
@@ -377,7 +368,7 @@ func filterLogs(logs []*types.Log, fromBlock, toBlock *big.Int, addresses []comm
 			if len(sub) == 0 {
 				continue // empty rule set == wildcard
 			}
-			if !includes(sub, log.Topics[i]) {
+			if !slices.Contains(sub, log.Topics[i]) {
 				return false
 			}
 		}