frostfs-node/pkg/morph/client/balance/decimals.go
Evgenii Stratonikov e3487d5af5
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[#1535] morph: Unify test invoke error messages
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2024-12-04 09:50:20 +00:00

27 lines
793 B
Go

package balance
import (
"fmt"
"git.frostfs.info/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("test invoke (%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
}