package balance import ( "fmt" "github.com/nspcc-dev/neofs-node/pkg/morph/client" ) // Decimals decimal precision of currency transactions // through the Balance contract call, and returns it. func (c *Client) Decimals() (uint32, error) { invokePrm := client.TestInvokePrm{} invokePrm.SetMethod(decimalsMethod) prms, err := c.client.TestInvoke(invokePrm) if err != nil { return 0, fmt.Errorf("could not perform test invocation (%s): %w", decimalsMethod, err) } else if ln := len(prms); ln != 1 { return 0, fmt.Errorf("unexpected stack item count (%s): %d", decimalsMethod, ln) } decimals, err := client.IntFromStackItem(prms[0]) if err != nil { return 0, fmt.Errorf("could not get integer stack item from stack item (%s): %w", decimalsMethod, err) } return uint32(decimals), nil }