diff --git a/mobile/bind.go b/mobile/bind.go index 7a1bf9e605..d6e621a258 100644 --- a/mobile/bind.go +++ b/mobile/bind.go @@ -154,12 +154,20 @@ func (c *BoundContract) GetDeployer() *Transaction { // Call invokes the (constant) contract method with params as input values and // sets the output to result. func (c *BoundContract) Call(opts *CallOpts, out *Interfaces, method string, args *Interfaces) error { - results := make([]interface{}, len(out.objects)) - copy(results, out.objects) - if err := c.contract.Call(&opts.opts, &results, method, args.objects...); err != nil { - return err + if len(out.objects) == 1 { + result := out.objects[0] + if err := c.contract.Call(&opts.opts, result, method, args.objects...); err != nil { + return err + } + out.objects[0] = result + } else { + results := make([]interface{}, len(out.objects)) + copy(results, out.objects) + if err := c.contract.Call(&opts.opts, &results, method, args.objects...); err != nil { + return err + } + copy(out.objects, results) } - copy(out.objects, results) return nil }