27 lines
809 B
Go
27 lines
809 B
Go
package balance
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/TrueCloudLab/frostfs-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
|
|
}
|