eth: use slices.Contains

Signed-off-by: deepdring <deepdrink@icloud.com>

eth/catalyst/api.go

@@ -20,6 +20,7 @@ package catalyst
 import (
 	"errors"
 	"fmt"
+	"slices"
 	"strconv"
 	"sync"
 	"sync/atomic"
@@ -906,12 +907,7 @@ func (api *ConsensusAPI) config() *params.ChainConfig {
 // is one of the forks provided.
 func (api *ConsensusAPI) checkFork(timestamp uint64, forks ...forks.Fork) bool {
 	latest := api.config().LatestFork(timestamp)
-	for _, fork := range forks {
+	return slices.Contains(forks, latest)
-		if latest == fork {
-			return true
-		}
-	}
-	return false
 }
 
 // ExchangeCapabilities returns the current methods provided by this node.

eth/tracers/native/4byte.go

@@ -19,6 +19,7 @@ package native
 import (
 	"encoding/json"
 	"math/big"
+	"slices"
 	"strconv"
 	"sync/atomic"
 
@@ -75,12 +76,7 @@ func newFourByteTracer(ctx *tracers.Context, cfg json.RawMessage, chainConfig *p
 
 // isPrecompiled returns whether the addr is a precompile. Logic borrowed from newJsTracer in eth/tracers/js/tracer.go
 func (t *fourByteTracer) isPrecompiled(addr common.Address) bool {
-	for _, p := range t.activePrecompiles {
+	return slices.Contains(t.activePrecompiles, addr)
-		if p == addr {
-			return true
-		}
-	}
-	return false
 }
 
 // store saves the given identifier and datasize.