49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package netmap
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import (
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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"github.com/pkg/errors"
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)
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// EpochArgs groups the arguments
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// of get epoch number test invoke call.
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type EpochArgs struct {
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}
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// EpochValues groups the stack parameters
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// returned by get epoch number test invoke.
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type EpochValues struct {
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num int64
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}
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// Number return the number of NeoFS epoch.
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func (e EpochValues) Number() int64 {
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return e.num
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}
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// Epoch performs the test invoke of get epoch number
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// method of NeoFS Netmap contract.
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func (c *Client) Epoch(_ EpochArgs) (*EpochValues, error) {
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items, err := c.client.TestInvoke(
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c.epochMethod,
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)
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if err != nil {
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return nil, errors.Wrapf(err,
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"could not perform test invocation (%s)",
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c.epochMethod)
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}
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if ln := len(items); ln != 1 {
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return nil, errors.Errorf("unexpected stack item count (%s): %d",
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c.epochMethod, ln)
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}
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num, err := client.IntFromStackItem(items[0])
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if err != nil {
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return nil, errors.Wrapf(err, "could not get number from stack item (%s)", c.epochMethod)
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}
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return &EpochValues{
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num: num,
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}, nil
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}
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