52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package ape
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import (
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"errors"
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"fmt"
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apeV2 "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/ape"
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)
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var (
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ErrInvalidChainRepresentation = errors.New("invalid chain representation")
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)
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// ChainID is Chain's identifier.
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type ChainID []byte
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// Chain is an SDK representation for v2's Chain.
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//
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// Note that Chain (as well as v2's Chain) and all related entities
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// are NOT operated by Access-Policy-Engine (APE). The client is responsible
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// to convert these types to policy-engine entities.
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type Chain struct {
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// Raw is the encoded chain kind.
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// It assumes that Raw's bytes are the result of encoding provided by
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// policy-engine package.
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Raw []byte
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}
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// ToV2 converts Chain to v2.
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func (c *Chain) ToV2() *apeV2.Chain {
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v2ct := new(apeV2.Chain)
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if c.Raw != nil {
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v2Raw := new(apeV2.ChainRaw)
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v2Raw.SetRaw(c.Raw)
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v2ct.SetKind(v2Raw)
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}
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return v2ct
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}
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// ReadFromV2 fills Chain from v2.
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func (c *Chain) ReadFromV2(v2ct *apeV2.Chain) error {
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switch v := v2ct.GetKind().(type) {
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default:
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return fmt.Errorf("unsupported chain kind: %T", v)
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case *apeV2.ChainRaw:
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raw := v.GetRaw()
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c.Raw = raw
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}
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return nil
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}
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