accounts/abi: enable struct golang binding generation (#18491)

* accounts/abi, cmd/abigen: support tuple

accounts/abi/bind, cmd/abigen: add objc back

accounts/abi/bind: use byte[24] as function indicator

accounts/abi/bind: resolve struct slice or array

accounts/abi/bind: remove sort logic

accounts: fix issues in abi

* accounts/abi: address comment

accounts/abi/reflect.go

@@ -31,6 +31,14 @@ func indirect(v reflect.Value) reflect.Value {
 	return v
 }
 
+// indirectInterfaceOrPtr recursively dereferences the value until value is not interface.
+func indirectInterfaceOrPtr(v reflect.Value) reflect.Value {
+	if (v.Kind() == reflect.Interface || v.Kind() == reflect.Ptr) && v.Elem().IsValid() {
+		return indirect(v.Elem())
+	}
+	return v
+}
+
 // reflectIntKind returns the reflect using the given size and
 // unsignedness.
 func reflectIntKindAndType(unsigned bool, size int) (reflect.Kind, reflect.Type) {