From af0503ad7e1ca8b35a37f856323cad85f219b3c7 Mon Sep 17 00:00:00 2001
From: Daniel Liu <liudaniel@qq.com>
Date: Fri, 27 Dec 2024 21:13:59 +0800
Subject: [PATCH] accounts/abi: remove deadcode isSigned (#16990)

---
 accounts/abi/numbers.go      | 15 ---------------
 accounts/abi/numbers_test.go | 11 -----------
 2 files changed, 26 deletions(-)

diff --git a/accounts/abi/numbers.go b/accounts/abi/numbers.go
index ac053c2da70de..973405ccb12bd 100644
--- a/accounts/abi/numbers.go
+++ b/accounts/abi/numbers.go
@@ -31,29 +31,14 @@ var (
 	uint16_t   = reflect.TypeOf(uint16(0))
 	uint32_t   = reflect.TypeOf(uint32(0))
 	uint64_t   = reflect.TypeOf(uint64(0))
-	int_t      = reflect.TypeOf(int(0))
 	int8_t     = reflect.TypeOf(int8(0))
 	int16_t    = reflect.TypeOf(int16(0))
 	int32_t    = reflect.TypeOf(int32(0))
 	int64_t    = reflect.TypeOf(int64(0))
 	address_t  = reflect.TypeOf(common.Address{})
-	int_ts     = reflect.TypeOf([]int(nil))
-	int8_ts    = reflect.TypeOf([]int8(nil))
-	int16_ts   = reflect.TypeOf([]int16(nil))
-	int32_ts   = reflect.TypeOf([]int32(nil))
-	int64_ts   = reflect.TypeOf([]int64(nil))
 )
 
 // U256 converts a big Int into a 256bit EVM number.
 func U256(n *big.Int) []byte {
 	return math.PaddedBigBytes(math.U256(n), 32)
 }
-
-// checks whether the given reflect value is signed. This also works for slices with a number type
-func isSigned(v reflect.Value) bool {
-	switch v.Type() {
-	case int_ts, int8_ts, int16_ts, int32_ts, int64_ts, int_t, int8_t, int16_t, int32_t, int64_t:
-		return true
-	}
-	return false
-}
diff --git a/accounts/abi/numbers_test.go b/accounts/abi/numbers_test.go
index b9ff5aef17d32..d25a5abcb5163 100644
--- a/accounts/abi/numbers_test.go
+++ b/accounts/abi/numbers_test.go
@@ -19,7 +19,6 @@ package abi
 import (
 	"bytes"
 	"math/big"
-	"reflect"
 	"testing"
 )
 
@@ -32,13 +31,3 @@ func TestNumberTypes(t *testing.T) {
 		t.Errorf("expected %x got %x", ubytes, unsigned)
 	}
 }
-
-func TestSigned(t *testing.T) {
-	if isSigned(reflect.ValueOf(uint(10))) {
-		t.Error("signed")
-	}
-
-	if !isSigned(reflect.ValueOf(int(10))) {
-		t.Error("not signed")
-	}
-}