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