accounts/abi/bind: fix destructive packing of *big.Int (ethereum#20412)

gzliudan · Jan 7, 2025 · 4a4f8b6 · 4a4f8b6
1 parent 3688c9e
commit 4a4f8b6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/accounts/abi/pack.go b/accounts/abi/pack.go
@@ -73,7 +73,7 @@ func packNum(value reflect.Value) []byte {
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 		return math.U256Bytes(big.NewInt(value.Int()))
 	case reflect.Ptr:
-		return math.U256Bytes(value.Interface().(*big.Int))
+		return math.U256Bytes(new(big.Int).Set(value.Interface().(*big.Int)))
 	default:
 		panic("abi: fatal error")
 	}