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package stfe
import (
//"fmt"
//"github.com/google/trillian"
ttypes "github.com/google/trillian/types"
"github.com/system-transparency/stfe/types"
)
func NewTreeHeadFromLogRoot(lr *ttypes.LogRootV1) *types.TreeHead {
var hash [types.HashSize]byte
th := types.TreeHead{
Timestamp: uint64(lr.TimestampNanos / 1000 / 1000 / 1000),
TreeSize: uint64(lr.TreeSize),
RootHash: &hash,
}
copy(th.RootHash[:], lr.RootHash)
return &th
}
func NodePathFromHashes(hashes [][]byte) []*[types.HashSize]byte {
var path []*[types.HashSize]byte
for _, hash := range hashes {
var h [types.HashSize]byte
copy(h[:], hash)
path = append(path, &h)
}
return path
}
//func NewStItemListFromLeaves(leaves []*trillian.LogLeaf) (*types.StItemList, error) {
// items := make([]types.StItem, 0, len(leaves))
// for _, leaf := range leaves {
// var item types.StItem
// if err := types.Unmarshal(leaf.LeafValue, &item); err != nil {
// return nil, fmt.Errorf("Unmarshal failed: %v", err)
// }
// items = append(items, item)
// }
// return &types.StItemList{items}, nil
//}
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