/
asset.go
44 lines (35 loc) · 910 Bytes
/
asset.go
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package proto
import (
"github.com/mr-tron/base58"
"github.com/wavesplatform/gowaves/pkg/crypto"
)
const (
AssetIDSize = 20
AssetIDTailSize = crypto.DigestSize - AssetIDSize
)
type AssetID [AssetIDSize]byte
func (a AssetID) Bytes() []byte {
return a[:]
}
func (a AssetID) String() string {
return base58.Encode(a[:])
}
func (a AssetID) Digest(tail [AssetIDTailSize]byte) crypto.Digest {
var fullAssetID crypto.Digest
copy(fullAssetID[:AssetIDSize], a[:])
copy(fullAssetID[AssetIDSize:], tail[:])
return fullAssetID
}
func AssetIDFromDigest(digest crypto.Digest) AssetID {
var id AssetID
copy(id[:], digest[:AssetIDSize])
return id
}
func DigestTail(digest crypto.Digest) [AssetIDTailSize]byte {
var tail [AssetIDTailSize]byte
copy(tail[:], digest[AssetIDSize:])
return tail
}
func ReconstructDigest(id AssetID, tail [AssetIDTailSize]byte) crypto.Digest {
return id.Digest(tail)
}